189579132 has 36 divisors (see below), whose sum is σ = 480177880. Its totient is φ = 63065952.

The previous prime is 189579101. The next prime is 189579149. The reversal of 189579132 is 231975981.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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, 13794 + ... + 23862.

Almost surely, 2^189579132 is an apocalyptic number.

189579132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189579132 is an abundant number, since it is smaller than the sum of its proper divisors (290598748).

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

189579132 is a wasteful number, since it uses less digits than its factorization.

189579132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10602 (or 10597 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 189579132 is about 13768.7738016136. The cubic root of 189579132 is about 574.4649156995.

The spelling of 189579132 in words is "one hundred eighty-nine million, five hundred seventy-nine thousand, one hundred thirty-two".