189345513 has 16 divisors (see below), whose sum is σ = 288727040. Its totient is φ = 108122256.

The previous prime is 189345479. The next prime is 189345517. The reversal of 189345513 is 315543981.

It is not a de Polignac number, because 189345513 - 2⁶ = 189345449 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (189345517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45006 + ... + 49032.

It is an arithmetic number, because the mean of its divisors is an integer number (18045440).

Almost surely, 2^189345513 is an apocalyptic number.

It is an amenable number.

189345513 is a deficient number, since it is larger than the sum of its proper divisors (99381527).

189345513 is a wasteful number, since it uses less digits than its factorization.

189345513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6276.

The product of its digits is 64800, while the sum is 39.

The square root of 189345513 is about 13760.2875333330. The cubic root of 189345513 is about 574.2288470230.

The spelling of 189345513 in words is "one hundred eighty-nine million, three hundred forty-five thousand, five hundred thirteen".