No,you are within range.
The atomic number of iodine is 53. So there are 53 protons and 53 electrons. For I-135 isotope, there are 82 neutrons (135 - 53 = 82)
That's fine. You would need to be 53 kg to be overweight
13
53-13 = 40
117 pounds is about 53 (53.07030729) kilograms.
4.0769
4.0769
13 + 53 = 66
The only factors of 53 are 1 and 53. That's what makes it prime.
13 +40 = 53.
13 and 53 share no common factors aside from 1.
135