189000112 has 40 divisors (see below), whose sum is σ = 420384800. Its totient is φ = 80635392.

The previous prime is 189000103. The next prime is 189000167. The reversal of 189000112 is 211000981.

189000112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21964 + ... + 29332.

It is an arithmetic number, because the mean of its divisors is an integer number (10509620).

Almost surely, 2^189000112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189000112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210192400).

189000112 is an abundant number, since it is smaller than the sum of its proper divisors (231384688).

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

189000112 is a wasteful number, since it uses less digits than its factorization.

189000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7613 (or 7607 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 189000112 is about 13747.7311582675. The cubic root of 189000112 is about 573.8794681906.

The spelling of 189000112 in words is "one hundred eighty-nine million, one hundred twelve", and thus it is an aban number.