230412139 has 2 divisors, whose sum is σ = 230412140. Its totient is φ = 230412138.

The previous prime is 230412121. The next prime is 230412167. The reversal of 230412139 is 931214032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230412139 - 2⁹ = 230411627 is a prime.

It is not a weakly prime, because it can be changed into another prime (230412239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115206069 + 115206070.

It is an arithmetic number, because the mean of its divisors is an integer number (115206070).

Almost surely, 2^230412139 is an apocalyptic number.

230412139 is a deficient number, since it is larger than the sum of its proper divisors (1).

230412139 is an equidigital number, since it uses as much as digits as its factorization.

230412139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 230412139 is about 15179.3326269635. The cubic root of 230412139 is about 613.0583121959.

The spelling of 230412139 in words is "two hundred thirty million, four hundred twelve thousand, one hundred thirty-nine".