137974464 has 42 divisors (see below), whose sum is σ = 395480540. Its totient is φ = 45991296.

The previous prime is 137974457. The next prime is 137974477. The reversal of 137974464 is 464479731.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119194 + ... + 120345.

Almost surely, 2^137974464 is an apocalyptic number.

It is an amenable number.

137974464 is an abundant number, since it is smaller than the sum of its proper divisors (257506076).

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

137974464 is a wasteful number, since it uses less digits than its factorization.

137974464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239557 (or 239544 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 137974464 is about 11746.2531898474. The cubic root of 137974464 is about 516.7330486104.

The spelling of 137974464 in words is "one hundred thirty-seven million, nine hundred seventy-four thousand, four hundred sixty-four".