864751132 has 12 divisors (see below), whose sum is σ = 1729502320. Its totient is φ = 370607616.

The previous prime is 864751091. The next prime is 864751157. The reversal of 864751132 is 231157468.

864751132 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 864751091 and 864751100.

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, 15441957 + ... + 15442012.

Almost surely, 2^864751132 is an apocalyptic number.

It is an amenable number.

864751132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

864751132 is a wasteful number, since it uses less digits than its factorization.

864751132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30883980 (or 30883978 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 864751132 is about 29406.6511524179. The cubic root of 864751132 is about 952.7165576543.

The spelling of 864751132 in words is "eight hundred sixty-four million, seven hundred fifty-one thousand, one hundred thirty-two".