632308139 has 2 divisors, whose sum is σ = 632308140. Its totient is φ = 632308138.

The previous prime is 632308129. The next prime is 632308153. The reversal of 632308139 is 931803236.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 632308139 - 2¹⁶ = 632242603 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 632308099 and 632308108.

It is not a weakly prime, because it can be changed into another prime (632308129) 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, 316154069 + 316154070.

It is an arithmetic number, because the mean of its divisors is an integer number (316154070).

Almost surely, 2^632308139 is an apocalyptic number.

632308139 is a deficient number, since it is larger than the sum of its proper divisors (1).

632308139 is an equidigital number, since it uses as much as digits as its factorization.

632308139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 632308139 is about 25145.7379887726. The cubic root of 632308139 is about 858.3075327107.

The spelling of 632308139 in words is "six hundred thirty-two million, three hundred eight thousand, one hundred thirty-nine".