513135732 has 24 divisors (see below), whose sum is σ = 1198387456. Its totient is φ = 170892288.

The previous prime is 513135677. The next prime is 513135737. The reversal of 513135732 is 237531315.

It is a self number, because there is not a number n which added to its sum of digits gives 513135732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513135737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4708 + ... + 32379.

Almost surely, 2^513135732 is an apocalyptic number.

It is an amenable number.

513135732 is an abundant number, since it is smaller than the sum of its proper divisors (685251724).

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

513135732 is a wasteful number, since it uses less digits than its factorization.

513135732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38247 (or 38245 counting only the distinct ones).

The product of its digits is 9450, while the sum is 30.

The square root of 513135732 is about 22652.4994647390. The cubic root of 513135732 is about 800.5910902412.

The spelling of 513135732 in words is "five hundred thirteen million, one hundred thirty-five thousand, seven hundred thirty-two".