565134720 has 64 divisors (see below), whose sum is σ = 1801373040. Its totient is φ = 150702080.

The previous prime is 565134709. The next prime is 565134733. The reversal of 565134720 is 27431565.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145251 + ... + 149090.

Almost surely, 2^565134720 is an apocalyptic number.

It is an amenable number.

565134720 is an abundant number, since it is smaller than the sum of its proper divisors (1236238320).

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

565134720 is a wasteful number, since it uses less digits than its factorization.

565134720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294363 (or 294351 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 565134720 is about 23772.5623356003. The cubic root of 565134720 is about 826.7686427558.

The spelling of 565134720 in words is "five hundred sixty-five million, one hundred thirty-four thousand, seven hundred twenty".