234459139 has 2 divisors, whose sum is σ = 234459140. Its totient is φ = 234459138.

The previous prime is 234459103. The next prime is 234459161. The reversal of 234459139 is 931954432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234459139 - 2⁷ = 234459011 is a prime.

It is not a weakly prime, because it can be changed into another prime (234459179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117229569 + 117229570.

It is an arithmetic number, because the mean of its divisors is an integer number (117229570).

Almost surely, 2^234459139 is an apocalyptic number.

234459139 is a deficient number, since it is larger than the sum of its proper divisors (1).

234459139 is an equidigital number, since it uses as much as digits as its factorization.

234459139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 40.

The square root of 234459139 is about 15312.0586140466. The cubic root of 234459139 is about 616.6267891752.

The spelling of 234459139 in words is "two hundred thirty-four million, four hundred fifty-nine thousand, one hundred thirty-nine".