137317564 has 6 divisors (see below), whose sum is σ = 240305744. Its totient is φ = 68658780.

The previous prime is 137317559. The next prime is 137317571. The reversal of 137317564 is 465713731.

137317564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×137317564² = 37712226765788192, which contains 22 as substring.

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, 17164692 + ... + 17164699.

Almost surely, 2^137317564 is an apocalyptic number.

It is an amenable number.

137317564 is a deficient number, since it is larger than the sum of its proper divisors (102988180).

137317564 is a wasteful number, since it uses less digits than its factorization.

137317564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34329395 (or 34329393 counting only the distinct ones).

The product of its digits is 52920, while the sum is 37.

The square root of 137317564 is about 11718.2577203269. The cubic root of 137317564 is about 515.9116839016.

The spelling of 137317564 in words is "one hundred thirty-seven million, three hundred seventeen thousand, five hundred sixty-four".