189615315 has 8 divisors (see below), whose sum is σ = 303384528. Its totient is φ = 101128160.

The previous prime is 189615299. The next prime is 189615317. The reversal of 189615315 is 513516981.

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

It is not a de Polignac number, because 189615315 - 2⁴ = 189615299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189615317) 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, 6320496 + ... + 6320525.

It is an arithmetic number, because the mean of its divisors is an integer number (37923066).

Almost surely, 2^189615315 is an apocalyptic number.

189615315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189615315 is a deficient number, since it is larger than the sum of its proper divisors (113769213).

189615315 is a wasteful number, since it uses less digits than its factorization.

189615315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12641029.

The product of its digits is 32400, while the sum is 39.

The square root of 189615315 is about 13770.0876903526. The cubic root of 189615315 is about 574.5014607587.

The spelling of 189615315 in words is "one hundred eighty-nine million, six hundred fifteen thousand, three hundred fifteen".