513163136 has 32 divisors (see below), whose sum is σ = 1036340400. Its totient is φ = 253062144.

The previous prime is 513163129. The next prime is 513163141. The reversal of 513163136 is 631361315.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 513163099 and 513163108.

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, 18116 + ... + 36803.

Almost surely, 2^513163136 is an apocalyptic number.

It is an amenable number.

513163136 is an abundant number, since it is smaller than the sum of its proper divisors (523177264).

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

513163136 is an equidigital number, since it uses as much as digits as its factorization.

513163136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55006 (or 54994 counting only the distinct ones).

The product of its digits is 4860, while the sum is 29.

The square root of 513163136 is about 22653.1043347264. The cubic root of 513163136 is about 800.6053418360.

The spelling of 513163136 in words is "five hundred thirteen million, one hundred sixty-three thousand, one hundred thirty-six".