864718132 has 24 divisors (see below), whose sum is σ = 1549856000. Its totient is φ = 422148888.

The previous prime is 864718109. The next prime is 864718133. The reversal of 864718132 is 231817468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864718133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316669 + ... + 319387.

Almost surely, 2^864718132 is an apocalyptic number.

It is an amenable number.

864718132 is a deficient number, since it is larger than the sum of its proper divisors (685137868).

864718132 is an equidigital number, since it uses as much as digits as its factorization.

864718132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852 (or 2764 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 864718132 is about 29406.0900495119. The cubic root of 864718132 is about 952.7044385427.

The spelling of 864718132 in words is "eight hundred sixty-four million, seven hundred eighteen thousand, one hundred thirty-two".