189597113 has 2 divisors, whose sum is σ = 189597114. Its totient is φ = 189597112.

The previous prime is 189597103. The next prime is 189597127. The reversal of 189597113 is 311795981.

189597113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111239209 + 78357904 = 10547^2 + 8852^2 .

It is a cyclic number.

It is not a de Polignac number, because 189597113 - 2⁶ = 189597049 is a prime.

It is not a weakly prime, because it can be changed into another prime (189597103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94798556 + 94798557.

It is an arithmetic number, because the mean of its divisors is an integer number (94798557).

Almost surely, 2^189597113 is an apocalyptic number.

It is an amenable number.

189597113 is a deficient number, since it is larger than the sum of its proper divisors (1).

189597113 is an equidigital number, since it uses as much as digits as its factorization.

189597113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 44.

The square root of 189597113 is about 13769.4267491425. The cubic root of 189597113 is about 574.4830772046.

The spelling of 189597113 in words is "one hundred eighty-nine million, five hundred ninety-seven thousand, one hundred thirteen".