137930836 has 6 divisors (see below), whose sum is σ = 241378970. Its totient is φ = 68965416.

The previous prime is 137930827. The next prime is 137930887. The reversal of 137930836 is 638039731.

It can be written as a sum of positive squares in only one way, i.e., 86378436 + 51552400 = 9294^2 + 7180^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17241351 + ... + 17241358.

Almost surely, 2^137930836 is an apocalyptic number.

It is an amenable number.

137930836 is a deficient number, since it is larger than the sum of its proper divisors (103448134).

137930836 is a wasteful number, since it uses less digits than its factorization.

137930836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34482713 (or 34482711 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 137930836 is about 11744.3959401921. The cubic root of 137930836 is about 516.6785786131.

The spelling of 137930836 in words is "one hundred thirty-seven million, nine hundred thirty thousand, eight hundred thirty-six".