232005139 has 2 divisors, whose sum is σ = 232005140. Its totient is φ = 232005138.

The previous prime is 232005089. The next prime is 232005149. The reversal of 232005139 is 931500232.

It is a happy number.

232005139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 232005139 - 2¹⁵ = 231972371 is a prime.

It is not a weakly prime, because it can be changed into another prime (232005149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116002569 + 116002570.

It is an arithmetic number, because the mean of its divisors is an integer number (116002570).

Almost surely, 2^232005139 is an apocalyptic number.

232005139 is a deficient number, since it is larger than the sum of its proper divisors (1).

232005139 is an equidigital number, since it uses as much as digits as its factorization.

232005139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 232005139 is about 15231.7149067333. The cubic root of 232005139 is about 614.4679020681.

The spelling of 232005139 in words is "two hundred thirty-two million, five thousand, one hundred thirty-nine".