189370359 has 16 divisors (see below), whose sum is σ = 295315200. Its totient is φ = 119602008.

The previous prime is 189370331. The next prime is 189370381. The reversal of 189370359 is 953073981.

It is a happy number.

It is not a de Polignac number, because 189370359 - 2¹² = 189366263 is a prime.

It is a super-2 number, since 2×189370359² = 71722265735577762, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189378359) 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, 184059 + ... + 185084.

It is an arithmetic number, because the mean of its divisors is an integer number (18457200).

Almost surely, 2^189370359 is an apocalyptic number.

189370359 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

189370359 is a deficient number, since it is larger than the sum of its proper divisors (105944841).

189370359 is a wasteful number, since it uses less digits than its factorization.

189370359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369171 (or 369165 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 189370359 is about 13761.1903191548. The cubic root of 189370359 is about 574.2539627769.

The spelling of 189370359 in words is "one hundred eighty-nine million, three hundred seventy thousand, three hundred fifty-nine".