564135866 has 8 divisors (see below), whose sum is σ = 967090080. Its totient is φ = 241772508.

The previous prime is 564135833. The next prime is 564135883. The reversal of 564135866 is 668531465.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20147696 + ... + 20147723.

It is an arithmetic number, because the mean of its divisors is an integer number (120886260).

Almost surely, 2^564135866 is an apocalyptic number.

564135866 is a deficient number, since it is larger than the sum of its proper divisors (402954214).

564135866 is a wasteful number, since it uses less digits than its factorization.

564135866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40295428.

The product of its digits is 518400, while the sum is 44.

The square root of 564135866 is about 23751.5444971480. The cubic root of 564135866 is about 826.2812615169.

The spelling of 564135866 in words is "five hundred sixty-four million, one hundred thirty-five thousand, eight hundred sixty-six".