632632139 has 2 divisors, whose sum is σ = 632632140. Its totient is φ = 632632138.

The previous prime is 632632111. The next prime is 632632163. The reversal of 632632139 is 931236236.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 632632139 - 2²⁸ = 364196683 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 632632099 and 632632108.

It is not a weakly prime, because it can be changed into another prime (632632439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316316069 + 316316070.

It is an arithmetic number, because the mean of its divisors is an integer number (316316070).

Almost surely, 2^632632139 is an apocalyptic number.

632632139 is a deficient number, since it is larger than the sum of its proper divisors (1).

632632139 is an equidigital number, since it uses as much as digits as its factorization.

632632139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 35.

The square root of 632632139 is about 25152.1796073422. The cubic root of 632632139 is about 858.4541090069.

The spelling of 632632139 in words is "six hundred thirty-two million, six hundred thirty-two thousand, one hundred thirty-nine".