137974904 has 8 divisors (see below), whose sum is σ = 258702960. Its totient is φ = 68987448.

The previous prime is 137974883. The next prime is 137974919. The reversal of 137974904 is 409479731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

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, 8623424 + ... + 8623439.

It is an arithmetic number, because the mean of its divisors is an integer number (32337870).

Almost surely, 2^137974904 is an apocalyptic number.

It is an amenable number.

137974904 is a deficient number, since it is larger than the sum of its proper divisors (120728056).

137974904 is a wasteful number, since it uses less digits than its factorization.

137974904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17246869 (or 17246865 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 137974904 is about 11746.2719192091. The cubic root of 137974904 is about 516.7335978963.

The spelling of 137974904 in words is "one hundred thirty-seven million, nine hundred seventy-four thousand, nine hundred four".