513525610136 has 64 divisors (see below), whose sum is σ = 1200546351360. Its totient is φ = 200058768000.

The previous prime is 513525610109. The next prime is 513525610187. The reversal of 513525610136 is 631016525315.

It is a self number, because there is not a number n which added to its sum of digits gives 513525610136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10065251 + ... + 10116141.

It is an arithmetic number, because the mean of its divisors is an integer number (18758536740).

Almost surely, 2^513525610136 is an apocalyptic number.

513525610136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

513525610136 is an abundant number, since it is smaller than the sum of its proper divisors (687020741224).

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

513525610136 is a wasteful number, since it uses less digits than its factorization.

513525610136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67296 (or 67292 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 513525610136 in words is "five hundred thirteen billion, five hundred twenty-five million, six hundred ten thousand, one hundred thirty-six".