189100194 has 8 divisors (see below), whose sum is σ = 378200400. Its totient is φ = 63033396.

The previous prime is 189100151. The next prime is 189100201. The reversal of 189100194 is 491001981.

It is a sphenic number, since it is the product of 3 distinct primes.

189100194 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15758344 + ... + 15758355.

It is an arithmetic number, because the mean of its divisors is an integer number (47275050).

Almost surely, 2^189100194 is an apocalyptic number.

189100194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

189100194 is a wasteful number, since it uses less digits than its factorization.

189100194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31516704.

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 189100194 is about 13751.3706225961. The cubic root of 189100194 is about 573.9807465609.

The spelling of 189100194 in words is "one hundred eighty-nine million, one hundred thousand, one hundred ninety-four".