432231139 has 2 divisors, whose sum is σ = 432231140. Its totient is φ = 432231138.

The previous prime is 432231131. The next prime is 432231187. The reversal of 432231139 is 931132234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 432231139 - 2³ = 432231131 is a prime.

It is not a weakly prime, because it can be changed into another prime (432231131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216115569 + 216115570.

It is an arithmetic number, because the mean of its divisors is an integer number (216115570).

Almost surely, 2^432231139 is an apocalyptic number.

432231139 is a deficient number, since it is larger than the sum of its proper divisors (1).

432231139 is an equidigital number, since it uses as much as digits as its factorization.

432231139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 432231139 is about 20790.1692874301. The cubic root of 432231139 is about 756.0874285337.

The spelling of 432231139 in words is "four hundred thirty-two million, two hundred thirty-one thousand, one hundred thirty-nine".