189125415 has 64 divisors (see below), whose sum is σ = 352235520. Its totient is φ = 96180480.

The previous prime is 189125399. The next prime is 189125423. The reversal of 189125415 is 514521981.

It is not a de Polignac number, because 189125415 - 2⁴ = 189125399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 189125415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 259782 + ... + 260508.

It is an arithmetic number, because the mean of its divisors is an integer number (5503680).

Almost surely, 2^189125415 is an apocalyptic number.

189125415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189125415 is a deficient number, since it is larger than the sum of its proper divisors (163110105).

189125415 is a wasteful number, since it uses less digits than its factorization.

189125415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 823 counting only the distinct ones).

The product of its digits is 14400, while the sum is 36.

The square root of 189125415 is about 13752.2876278821. The cubic root of 189125415 is about 574.0062634127.

The spelling of 189125415 in words is "one hundred eighty-nine million, one hundred twenty-five thousand, four hundred fifteen".