189597119 has 4 divisors (see below), whose sum is σ = 197840496. Its totient is φ = 181353744.

The previous prime is 189597113. The next prime is 189597127. The reversal of 189597119 is 911795981.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 911795981 = 173 ⋅5270497.

It is a cyclic number.

It is not a de Polignac number, because 189597119 - 2⁴ = 189597103 is a prime.

It is a super-2 number, since 2×189597119² = 71894135066200322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189597113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4121654 + ... + 4121699.

It is an arithmetic number, because the mean of its divisors is an integer number (49460124).

Almost surely, 2^189597119 is an apocalyptic number.

189597119 is a deficient number, since it is larger than the sum of its proper divisors (8243377).

189597119 is an equidigital number, since it uses as much as digits as its factorization.

189597119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8243376.

The product of its digits is 204120, while the sum is 50.

The square root of 189597119 is about 13769.4269670165. The cubic root of 189597119 is about 574.4830832646.

The spelling of 189597119 in words is "one hundred eighty-nine million, five hundred ninety-seven thousand, one hundred nineteen".