189074313 has 6 divisors (see below), whose sum is σ = 273107354. Its totient is φ = 126049536.

The previous prime is 189074297. The next prime is 189074317. The reversal of 189074313 is 313470981.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 187881849 + 1192464 = 13707^2 + 1092^2 .

It is not a de Polignac number, because 189074313 - 2⁴ = 189074297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189074317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10504120 + ... + 10504137.

Almost surely, 2^189074313 is an apocalyptic number.

It is an amenable number.

189074313 is a deficient number, since it is larger than the sum of its proper divisors (84033041).

189074313 is a wasteful number, since it uses less digits than its factorization.

189074313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21008263 (or 21008260 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 189074313 is about 13750.4295569266. The cubic root of 189074313 is about 573.9545596082.

It can be divided in two parts, 18907 and 4313, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 189074313 in words is "one hundred eighty-nine million, seventy-four thousand, three hundred thirteen".