189010870 has 16 divisors (see below), whose sum is σ = 344881440. Its totient is φ = 74568384.

The previous prime is 189010867. The next prime is 189010891. The reversal of 189010870 is 78010981.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 128730 + ... + 130189.

It is an arithmetic number, because the mean of its divisors is an integer number (21555090).

Almost surely, 2^189010870 is an apocalyptic number.

189010870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189010870 is a deficient number, since it is larger than the sum of its proper divisors (155870570).

189010870 is a wasteful number, since it uses less digits than its factorization.

189010870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258999.

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 189010870 is about 13748.1224172612. The cubic root of 189010870 is about 573.8903565054.

The spelling of 189010870 in words is "one hundred eighty-nine million, ten thousand, eight hundred seventy".