507307139 has 2 divisors, whose sum is σ = 507307140. Its totient is φ = 507307138.

The previous prime is 507307133. The next prime is 507307231. The reversal of 507307139 is 931703705.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-507307139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 507307099 and 507307108.

It is not a weakly prime, because it can be changed into another prime (507307133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253653569 + 253653570.

It is an arithmetic number, because the mean of its divisors is an integer number (253653570).

Almost surely, 2^507307139 is an apocalyptic number.

507307139 is a deficient number, since it is larger than the sum of its proper divisors (1).

507307139 is an equidigital number, since it uses as much as digits as its factorization.

507307139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 507307139 is about 22523.4797267207. The cubic root of 507307139 is about 797.5482956703.

The spelling of 507307139 in words is "five hundred seven million, three hundred seven thousand, one hundred thirty-nine".