Factors / Factors of 137

Factors of 137

1, 137

137 is prime: only factor pair is (1, 137), confirmed by trial division up to √137 ≈ 11.7 turning up nothing else. 137's full pair list is (1, 137), for 2 divisors in total. 137's divisors other than 137 itself sum to just 1, 136 below 137: the common deficient case. 137 is odd, digit sum 11 for 137; none of 2-12 divide 137 evenly. 137 has 2 divisors; 136 has 8 and 138 has 8, so 136 wins here. 137 divided by its largest divisor, 1, gives 137.