139570507 has 2 divisors, whose sum is σ = 139570508. Its totient is φ = 139570506.

The previous prime is 139570471. The next prime is 139570513. The reversal of 139570507 is 705075931.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139570507 - 2²³ = 131181899 is a prime.

It is not a weakly prime, because it can be changed into another prime (139570537) 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, 69785253 + 69785254.

It is an arithmetic number, because the mean of its divisors is an integer number (69785254).

Almost surely, 2^139570507 is an apocalyptic number.

139570507 is a deficient number, since it is larger than the sum of its proper divisors (1).

139570507 is an equidigital number, since it uses as much as digits as its factorization.

139570507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33075, while the sum is 37.

The square root of 139570507 is about 11813.9962332819. The cubic root of 139570507 is about 518.7178805874.

The spelling of 139570507 in words is "one hundred thirty-nine million, five hundred seventy thousand, five hundred seven".