230401139 has 2 divisors, whose sum is σ = 230401140. Its totient is φ = 230401138.

The previous prime is 230401133. The next prime is 230401169. The reversal of 230401139 is 931104032.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230401139 is a prime.

It is not a weakly prime, because it can be changed into another prime (230401133) 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 as a sum of consecutive naturals, namely, 115200569 + 115200570.

It is an arithmetic number, because the mean of its divisors is an integer number (115200570).

Almost surely, 2^230401139 is an apocalyptic number.

230401139 is a deficient number, since it is larger than the sum of its proper divisors (1).

230401139 is an equidigital number, since it uses as much as digits as its factorization.

230401139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 230401139 is about 15178.9702878687. The cubic root of 230401139 is about 613.0485561290.

The spelling of 230401139 in words is "two hundred thirty million, four hundred one thousand, one hundred thirty-nine".