189531675 has 72 divisors (see below), whose sum is σ = 362893440. Its totient is φ = 94348800.

The previous prime is 189531653. The next prime is 189531679. The reversal of 189531675 is 576135981.

It is a happy number.

It is not a de Polignac number, because 189531675 - 2⁶ = 189531611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 189531675.

It is not an unprimeable number, because it can be changed into a prime (189531679) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 201807 + ... + 202743.

Almost surely, 2^189531675 is an apocalyptic number.

189531675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189531675 is a deficient number, since it is larger than the sum of its proper divisors (173361765).

189531675 is a wasteful number, since it uses less digits than its factorization.

189531675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 1005 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 189531675 is about 13767.0503376722. The cubic root of 189531675 is about 574.4169767793.

The spelling of 189531675 in words is "one hundred eighty-nine million, five hundred thirty-one thousand, six hundred seventy-five".