813736132 has 24 divisors (see below), whose sum is σ = 1566345312. Its totient is φ = 369877640.

The previous prime is 813736087. The next prime is 813736139. The reversal of 813736132 is 231637318.

It is not an unprimeable number, because it can be changed into a prime (813736139) 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, 71098 + ... + 81745.

It is an arithmetic number, because the mean of its divisors is an integer number (65264388).

Almost surely, 2^813736132 is an apocalyptic number.

It is an amenable number.

813736132 is a deficient number, since it is larger than the sum of its proper divisors (752609180).

813736132 is a wasteful number, since it uses less digits than its factorization.

813736132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152880 (or 152856 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 813736132 is about 28526.0605762520. The cubic root of 813736132 is about 933.6007675240.

The spelling of 813736132 in words is "eight hundred thirteen million, seven hundred thirty-six thousand, one hundred thirty-two".