568135507 has 4 divisors (see below), whose sum is σ = 568836856. Its totient is φ = 567434160.

The previous prime is 568135501. The next prime is 568135523. The reversal of 568135507 is 705531865.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 568135507 - 2¹⁵ = 568102739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 568135507.

It is not an unprimeable number, because it can be changed into a prime (568135501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349458 + ... + 351079.

It is an arithmetic number, because the mean of its divisors is an integer number (142209214).

Almost surely, 2^568135507 is an apocalyptic number.

568135507 is a deficient number, since it is larger than the sum of its proper divisors (701349).

568135507 is an equidigital number, since it uses as much as digits as its factorization.

568135507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701348.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 568135507 is about 23835.5932797990. The cubic root of 568135507 is about 828.2294026047.

The spelling of 568135507 in words is "five hundred sixty-eight million, one hundred thirty-five thousand, five hundred seven".