189100275 has 96 divisors (see below), whose sum is σ = 389975040. Its totient is φ = 78727680.

The previous prime is 189100267. The next prime is 189100297. The reversal of 189100275 is 572001981.

It is not a de Polignac number, because 189100275 - 2³ = 189100267 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 702841 + ... + 703109.

It is an arithmetic number, because the mean of its divisors is an integer number (4062240).

Almost surely, 2^189100275 is an apocalyptic number.

189100275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189100275 is an abundant number, since it is smaller than the sum of its proper divisors (200874765).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189100275 is a wasteful number, since it uses less digits than its factorization.

189100275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 189100275 is about 13751.3735677568. The cubic root of 189100275 is about 573.9808285147.

The spelling of 189100275 in words is "one hundred eighty-nine million, one hundred thousand, two hundred seventy-five".