765135513 has 12 divisors (see below), whose sum is σ = 1128711168. Its totient is φ = 499237080.

The previous prime is 765135467. The next prime is 765135533. The reversal of 765135513 is 315531567.

765135513 is a `hidden beast` number, since 7 + 6 + 5 + 135 + 513 = 666.

765135513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 765135513 - 2¹⁷ = 765004441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (765135533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 903993 + ... + 904838.

It is an arithmetic number, because the mean of its divisors is an integer number (94059264).

Almost surely, 2^765135513 is an apocalyptic number.

It is an amenable number.

765135513 is a deficient number, since it is larger than the sum of its proper divisors (363575655).

765135513 is a wasteful number, since it uses less digits than its factorization.

765135513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808884 (or 1808881 counting only the distinct ones).

The product of its digits is 47250, while the sum is 36.

The square root of 765135513 is about 27661.0830048283. The cubic root of 765135513 is about 914.6314272958.

The spelling of 765135513 in words is "seven hundred sixty-five million, one hundred thirty-five thousand, five hundred thirteen".