189500112 has 60 divisors (see below), whose sum is σ = 531423204. Its totient is φ = 63037440.

The previous prime is 189500111. The next prime is 189500141. The reversal of 189500112 is 211005981.

It can be written as a sum of positive squares in 2 ways, for example, as 138862656 + 50637456 = 11784^2 + 7116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189500111) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 91278 + ... + 93330.

Almost surely, 2^189500112 is an apocalyptic number.

189500112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189500112 is an abundant number, since it is smaller than the sum of its proper divisors (341923092).

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

189500112 is a wasteful number, since it uses less digits than its factorization.

189500112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708 (or 2699 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 189500112 is about 13765.9039659588. The cubic root of 189500112 is about 574.3850888296.

The spelling of 189500112 in words is "one hundred eighty-nine million, five hundred thousand, one hundred twelve".