189452313 has 12 divisors (see below), whose sum is σ = 274697280. Its totient is φ = 125819736.

The previous prime is 189452303. The next prime is 189452323. The reversal of 189452313 is 313254981.

It is an interprime number because it is at equal distance from previous prime (189452303) and next prime (189452323).

It is not a de Polignac number, because 189452313 - 2¹⁰ = 189451289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189452303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37653 + ... + 42386.

It is an arithmetic number, because the mean of its divisors is an integer number (22891440).

Almost surely, 2^189452313 is an apocalyptic number.

It is an amenable number.

189452313 is a deficient number, since it is larger than the sum of its proper divisors (85244967).

189452313 is a wasteful number, since it uses less digits than its factorization.

189452313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80308 (or 80305 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 189452313 is about 13764.1677191176. The cubic root of 189452313 is about 574.3367909838.

The spelling of 189452313 in words is "one hundred eighty-nine million, four hundred fifty-two thousand, three hundred thirteen".