800137656 has 32 divisors (see below), whose sum is σ = 2222605200. Its totient is φ = 266712480.

The previous prime is 800137631. The next prime is 800137699. The reversal of 800137656 is 656731008.

800137656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 800137656.

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, 1851955 + ... + 1852386.

Almost surely, 2^800137656 is an apocalyptic number.

It is an amenable number.

800137656 is an abundant number, since it is smaller than the sum of its proper divisors (1422467544).

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

800137656 is a wasteful number, since it uses less digits than its factorization.

800137656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704356 (or 3704346 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 800137656 is about 28286.7045800673. The cubic root of 800137656 is about 928.3710088816.

The spelling of 800137656 in words is "eight hundred million, one hundred thirty-seven thousand, six hundred fifty-six".