189186125 has 8 divisors (see below), whose sum is σ = 236104440. Its totient is φ = 151348800.

The previous prime is 189186121. The next prime is 189186191. The reversal of 189186125 is 521681981.

It can be written as a sum of positive squares in 4 ways, for example, as 206116 + 188980009 = 454^2 + 13747^2 .

It is not a de Polignac number, because 189186125 - 2² = 189186121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189186121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756620 + ... + 756869.

It is an arithmetic number, because the mean of its divisors is an integer number (29513055).

Almost surely, 2^189186125 is an apocalyptic number.

It is an amenable number.

189186125 is a deficient number, since it is larger than the sum of its proper divisors (46918315).

189186125 is an equidigital number, since it uses as much as digits as its factorization.

189186125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513504 (or 1513494 counting only the distinct ones).

The product of its digits is 34560, while the sum is 41.

The square root of 189186125 is about 13754.4947199088. The cubic root of 189186125 is about 574.0676762625.

The spelling of 189186125 in words is "one hundred eighty-nine million, one hundred eighty-six thousand, one hundred twenty-five".