627232139 has 2 divisors, whose sum is σ = 627232140. Its totient is φ = 627232138.

The previous prime is 627232121. The next prime is 627232159. The reversal of 627232139 is 931232726.

627232139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 627232139 - 2⁸ = 627231883 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 = 627232099 and 627232108.

It is not a weakly prime, because it can be changed into another prime (627232159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313616069 + 313616070.

It is an arithmetic number, because the mean of its divisors is an integer number (313616070).

Almost surely, 2^627232139 is an apocalyptic number.

627232139 is a deficient number, since it is larger than the sum of its proper divisors (1).

627232139 is an equidigital number, since it uses as much as digits as its factorization.

627232139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 627232139 is about 25044.6029914631. The cubic root of 627232139 is about 856.0046050899.

The spelling of 627232139 in words is "six hundred twenty-seven million, two hundred thirty-two thousand, one hundred thirty-nine".