189190502 has 12 divisors (see below), whose sum is σ = 296662380. Its totient is φ = 90481908.

The previous prime is 189190499. The next prime is 189190511. The reversal of 189190502 is 205091981.

189190502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88352 + ... + 90467.

It is an arithmetic number, because the mean of its divisors is an integer number (24721865).

Almost surely, 2^189190502 is an apocalyptic number.

189190502 is a deficient number, since it is larger than the sum of its proper divisors (107471878).

189190502 is a wasteful number, since it uses less digits than its factorization.

189190502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178867 (or 178844 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 189190502 is about 13754.6538306131. The cubic root of 189190502 is about 574.0721034280.

The spelling of 189190502 in words is "one hundred eighty-nine million, one hundred ninety thousand, five hundred two".