189190504 has 16 divisors (see below), whose sum is σ = 358719300. Its totient is φ = 93532032.

The previous prime is 189190499. The next prime is 189190511. The reversal of 189190504 is 405091981.

It can be written as a sum of positive squares in 2 ways, for example, as 184905604 + 4284900 = 13598^2 + 2070^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132147 + ... + 133570.

Almost surely, 2^189190504 is an apocalyptic number.

It is an amenable number.

189190504 is a deficient number, since it is larger than the sum of its proper divisors (169528796).

189190504 is a wasteful number, since it uses less digits than its factorization.

189190504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265812 (or 265808 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 189190504 is about 13754.6539033158. The cubic root of 189190504 is about 574.0721054509.

The spelling of 189190504 in words is "one hundred eighty-nine million, one hundred ninety thousand, five hundred four".