yes it is
Milotic
feebas
Omanyte is #138 in the national pokedex, and it is a Rock-Water type Pokemon.
Feebas
numbers 138 and 139 are Feebas and Milotic.
if you mean which Pokemon is #138 in Pokemon Emerald it is Jiggleypuff in the Hoenn Pokedex or Omanyte if you have the National Pokedex
In the Sinnoh Pokedex it is Feebas and Milotic, however, in the National Pokedex it is Omanyte and Omastar.
Pokemon #138 in the Sinnoh Dex is Feebas, which can be found under the ownership of a fishermannear Sunnyshore City.
In the sinnoh pokedex (the first one) its feebas, you find it only in the part of mt. coronet between celestic town and eterna city. In the national pokedex its omanyte wich you get by reviving the helix fossil wich you find underground.
Phione does not have an evolution it is a rare. P.S. the closest thing to an evolution would be Manaphy, they look alike.
138 multiplied by 138 is 19,044.
100 is 138 percent of what: 72.46100 = 138% of x100/138% = 138% x/138%100/1.38 = x72.46 = x