513487136 has 48 divisors (see below), whose sum is σ = 1033591104. Its totient is φ = 251053824.

The previous prime is 513487111. The next prime is 513487151. The reversal of 513487136 is 631784315.

It is a self number, because there is not a number n which added to its sum of digits gives 513487136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272630 + ... + 274506.

It is an arithmetic number, because the mean of its divisors is an integer number (21533148).

Almost surely, 2^513487136 is an apocalyptic number.

It is an amenable number.

513487136 is an abundant number, since it is smaller than the sum of its proper divisors (520103968).

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

513487136 is a wasteful number, since it uses less digits than its factorization.

513487136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073 (or 2065 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 513487136 is about 22660.2545440249. The cubic root of 513487136 is about 800.7738012981.

The spelling of 513487136 in words is "five hundred thirteen million, four hundred eighty-seven thousand, one hundred thirty-six".