189542712 has 32 divisors (see below), whose sum is σ = 486666000. Its totient is φ = 61473024.

The previous prime is 189542699. The next prime is 189542723. The reversal of 189542712 is 217245981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105837 + ... + 107612.

Almost surely, 2^189542712 is an apocalyptic number.

189542712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189542712 is an abundant number, since it is smaller than the sum of its proper divisors (297123288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189542712 is a wasteful number, since it uses less digits than its factorization.

189542712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213495 (or 213491 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 189542712 is about 13767.4511802294. The cubic root of 189542712 is about 574.4281265728.

The spelling of 189542712 in words is "one hundred eighty-nine million, five hundred forty-two thousand, seven hundred twelve".