137431704 has 16 divisors (see below), whose sum is σ = 343579320. Its totient is φ = 45810560.

The previous prime is 137431699. The next prime is 137431729. The reversal of 137431704 is 407134731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2863137 + ... + 2863184.

Almost surely, 2^137431704 is an apocalyptic number.

It is an amenable number.

137431704 is an abundant number, since it is smaller than the sum of its proper divisors (206147616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137431704 is a wasteful number, since it uses less digits than its factorization.

137431704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5726330 (or 5726326 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 137431704 is about 11723.1268866288. The cubic root of 137431704 is about 516.0545882997.

The spelling of 137431704 in words is "one hundred thirty-seven million, four hundred thirty-one thousand, seven hundred four".