8138422732 has 36 divisors (see below), whose sum is σ = 15888408760. Its totient is φ = 3644055360.

The previous prime is 8138422717. The next prime is 8138422811. The reversal of 8138422732 is 2372248318.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93057 + ... + 157912.

Almost surely, 2^8138422732 is an apocalyptic number.

It is an amenable number.

8138422732 is a deficient number, since it is larger than the sum of its proper divisors (7749986028).

8138422732 is a wasteful number, since it uses less digits than its factorization.

8138422732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251062 (or 251049 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 8138422732 is about 90213.2070818902. The cubic root of 8138422732 is about 2011.4693291825.

The spelling of 8138422732 in words is "eight billion, one hundred thirty-eight million, four hundred twenty-two thousand, seven hundred thirty-two".