189425188 has 12 divisors (see below), whose sum is σ = 333326812. Its totient is φ = 94188960.

The previous prime is 189425183. The next prime is 189425209. The reversal of 189425188 is 881524981.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42094144 + 147331044 = 6488^2 + 12138^2 .

It is not an unprimeable number, because it can be changed into a prime (189425183) 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, 130095 + ... + 131542.

Almost surely, 2^189425188 is an apocalyptic number.

It is an amenable number.

189425188 is a deficient number, since it is larger than the sum of its proper divisors (143901624).

189425188 is a wasteful number, since it uses less digits than its factorization.

189425188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261822 (or 261820 counting only the distinct ones).

The product of its digits is 184320, while the sum is 46.

The square root of 189425188 is about 13763.1823354920. The cubic root of 189425188 is about 574.3093792853.

The spelling of 189425188 in words is "one hundred eighty-nine million, four hundred twenty-five thousand, one hundred eighty-eight".