189415316 has 12 divisors (see below), whose sum is σ = 332558688. Its totient is φ = 94398552.

The previous prime is 189415297. The next prime is 189415339. The reversal of 189415316 is 613514981.

It is a self number, because there is not a number n which added to its sum of digits gives 189415316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75896 + ... + 78351.

It is an arithmetic number, because the mean of its divisors is an integer number (27713224).

Almost surely, 2^189415316 is an apocalyptic number.

It is an amenable number.

189415316 is a deficient number, since it is larger than the sum of its proper divisors (143143372).

189415316 is a wasteful number, since it uses less digits than its factorization.

189415316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154558 (or 154556 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 189415316 is about 13762.8236928328. The cubic root of 189415316 is about 574.2994022934.

The spelling of 189415316 in words is "one hundred eighty-nine million, four hundred fifteen thousand, three hundred sixteen".