139340627 has 2 divisors, whose sum is σ = 139340628. Its totient is φ = 139340626.

The previous prime is 139340611. The next prime is 139340659. The reversal of 139340627 is 726043931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139340627 - 2⁴ = 139340611 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (139340027) 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, 69670313 + 69670314.

It is an arithmetic number, because the mean of its divisors is an integer number (69670314).

Almost surely, 2^139340627 is an apocalyptic number.

139340627 is a deficient number, since it is larger than the sum of its proper divisors (1).

139340627 is an equidigital number, since it uses as much as digits as its factorization.

139340627 is an odious number, because the sum of its binary digits is odd.

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

The square root of 139340627 is about 11804.2630858517. The cubic root of 139340627 is about 518.4329388392.

The spelling of 139340627 in words is "one hundred thirty-nine million, three hundred forty thousand, six hundred twenty-seven".