513864135 has 24 divisors (see below), whose sum is σ = 914004720. Its totient is φ = 273920400.

The previous prime is 513864107. The next prime is 513864157. The reversal of 513864135 is 531468315.

513864135 is a `hidden beast` number, since 5 + 1 + 3 + 8 + 641 + 3 + 5 = 666.

It is not a de Polignac number, because 513864135 - 2¹⁷ = 513733063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513864135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262410 + ... + 264360.

It is an arithmetic number, because the mean of its divisors is an integer number (38083530).

Almost surely, 2^513864135 is an apocalyptic number.

513864135 is a deficient number, since it is larger than the sum of its proper divisors (400140585).

513864135 is an frugal number, since it uses more digits than its factorization.

513864135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916 (or 1959 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 513864135 is about 22668.5715253520. The cubic root of 513864135 is about 800.9697277061.

The spelling of 513864135 in words is "five hundred thirteen million, eight hundred sixty-four thousand, one hundred thirty-five".