368189139 has 16 divisors (see below), whose sum is σ = 508806144. Its totient is φ = 236580000.

The previous prime is 368189123. The next prime is 368189141. The reversal of 368189139 is 931981863.

It is not a de Polignac number, because 368189139 - 2⁴ = 368189123 is a prime.

It is a super-2 number, since 2×368189139² = 271126484155122642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (368189119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15457 + ... + 31229.

It is an arithmetic number, because the mean of its divisors is an integer number (31800384).

Almost surely, 2^368189139 is an apocalyptic number.

368189139 is a deficient number, since it is larger than the sum of its proper divisors (140617005).

368189139 is a wasteful number, since it uses less digits than its factorization.

368189139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16058.

The product of its digits is 279936, while the sum is 48.

The square root of 368189139 is about 19188.2552359510. The cubic root of 368189139 is about 716.7323238446.

The spelling of 368189139 in words is "three hundred sixty-eight million, one hundred eighty-nine thousand, one hundred thirty-nine".