139305261644713 has 2 divisors, whose sum is σ = 139305261644714. Its totient is φ = 139305261644712.

The previous prime is 139305261644663. The next prime is 139305261644729. The reversal of 139305261644713 is 317446162503931.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120749395891609 + 18555865753104 = 10988603^2 + 4307652^2 .

It is a cyclic number.

It is not a de Polignac number, because 139305261644713 - 2²¹ = 139305259547561 is a prime.

It is not a weakly prime, because it can be changed into another prime (139305261644753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69652630822356 + 69652630822357.

It is an arithmetic number, because the mean of its divisors is an integer number (69652630822357).

Almost surely, 2^{139305261644713} is an apocalyptic number.

It is an amenable number.

139305261644713 is a deficient number, since it is larger than the sum of its proper divisors (1).

139305261644713 is an equidigital number, since it uses as much as digits as its factorization.

139305261644713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 139305261644713 in words is "one hundred thirty-nine trillion, three hundred five billion, two hundred sixty-one million, six hundred forty-four thousand, seven hundred thirteen".