513136507 has 8 divisors (see below), whose sum is σ = 553845600. Its totient is φ = 472604160.

The previous prime is 513136489. The next prime is 513136523. The reversal of 513136507 is 705631315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513136507 - 2¹⁵ = 513103739 is a prime.

It is a super-2 number, since 2×513136507² = 526618149632322098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513136537) 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, 38119 + ... + 49792.

It is an arithmetic number, because the mean of its divisors is an integer number (69230700).

Almost surely, 2^513136507 is an apocalyptic number.

513136507 is a deficient number, since it is larger than the sum of its proper divisors (40709093).

513136507 is a wasteful number, since it uses less digits than its factorization.

513136507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88373.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 513136507 is about 22652.5165710126. The cubic root of 513136507 is about 800.5914932910.

The spelling of 513136507 in words is "five hundred thirteen million, one hundred thirty-six thousand, five hundred seven".