561703136 has 24 divisors (see below), whose sum is σ = 1141527744. Its totient is φ = 271791360.

The previous prime is 561703097. The next prime is 561703159. The reversal of 561703136 is 631307165.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 282125 + ... + 284108.

It is an arithmetic number, because the mean of its divisors is an integer number (47563656).

Almost surely, 2^561703136 is an apocalyptic number.

It is an amenable number.

561703136 is an abundant number, since it is smaller than the sum of its proper divisors (579824608).

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

561703136 is a wasteful number, since it uses less digits than its factorization.

561703136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566274 (or 566266 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 561703136 is about 23700.2771291814. The cubic root of 561703136 is about 825.0918225315.

The spelling of 561703136 in words is "five hundred sixty-one million, seven hundred three thousand, one hundred thirty-six".