189502756 has 9 divisors (see below), whose sum is σ = 331678011. Its totient is φ = 94737612.

The previous prime is 189502739. The next prime is 189502769. The reversal of 189502756 is 657205981.

The square root of 189502756 is 13766.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×189502756² = 71822589063191072, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 24091 + ... + 30973.

Almost surely, 2^189502756 is an apocalyptic number.

189502756 is the 13766-th square number.

It is an amenable number.

189502756 is a deficient number, since it is larger than the sum of its proper divisors (142175255).

189502756 is an frugal number, since it uses more digits than its factorization.

189502756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13770 (or 6885 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The cubic root of 189502756 is about 574.3877601862.

The spelling of 189502756 in words is "one hundred eighty-nine million, five hundred two thousand, seven hundred fifty-six".