389156132 has 6 divisors (see below), whose sum is σ = 681023238. Its totient is φ = 194578064.

The previous prime is 389156123. The next prime is 389156147. The reversal of 389156132 is 231651983.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 386279716 + 2876416 = 19654^2 + 1696^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48644513 + ... + 48644520.

It is an arithmetic number, because the mean of its divisors is an integer number (113503873).

Almost surely, 2^389156132 is an apocalyptic number.

It is an amenable number.

389156132 is a deficient number, since it is larger than the sum of its proper divisors (291867106).

389156132 is a wasteful number, since it uses less digits than its factorization.

389156132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97289037 (or 97289035 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 389156132 is about 19727.0406295521. The cubic root of 389156132 is about 730.0870178373.

The spelling of 389156132 in words is "three hundred eighty-nine million, one hundred fifty-six thousand, one hundred thirty-two".