189961132 has 12 divisors (see below), whose sum is σ = 332528896. Its totient is φ = 94952880.

The previous prime is 189961127. The next prime is 189961133. The reversal of 189961132 is 231169981.

189961132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (189961133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21298 + ... + 28870.

Almost surely, 2^189961132 is an apocalyptic number.

It is an amenable number.

189961132 is a deficient number, since it is larger than the sum of its proper divisors (142567764).

189961132 is a wasteful number, since it uses less digits than its factorization.

189961132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13848 (or 13846 counting only the distinct ones).

The product of its digits is 23328, while the sum is 40.

The square root of 189961132 is about 13782.6387894336. The cubic root of 189961132 is about 574.8505037944.

The spelling of 189961132 in words is "one hundred eighty-nine million, nine hundred sixty-one thousand, one hundred thirty-two".