236190139 has 2 divisors, whose sum is σ = 236190140. Its totient is φ = 236190138.

The previous prime is 236190137. The next prime is 236190167. The reversal of 236190139 is 931091632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 236190139 - 2¹ = 236190137 is a prime.

Together with 236190137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (236190131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118095069 + 118095070.

It is an arithmetic number, because the mean of its divisors is an integer number (118095070).

Almost surely, 2^236190139 is an apocalyptic number.

236190139 is a deficient number, since it is larger than the sum of its proper divisors (1).

236190139 is an equidigital number, since it uses as much as digits as its factorization.

236190139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 236190139 is about 15368.4787470979. The cubic root of 236190139 is about 618.1405780191.

The spelling of 236190139 in words is "two hundred thirty-six million, one hundred ninety thousand, one hundred thirty-nine".