138764117055713 has 2 divisors, whose sum is σ = 138764117055714. Its totient is φ = 138764117055712.

The previous prime is 138764117055671. The next prime is 138764117055719. The reversal of 138764117055713 is 317550711467831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125302680801424 + 13461436254289 = 11193868^2 + 3668983^2 .

It is an emirp because it is prime and its reverse (317550711467831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 138764117055713 - 2³² = 138759822088417 is a prime.

It is not a weakly prime, because it can be changed into another prime (138764117055719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69382058527856 + 69382058527857.

It is an arithmetic number, because the mean of its divisors is an integer number (69382058527857).

Almost surely, 2^{138764117055713} is an apocalyptic number.

It is an amenable number.

138764117055713 is a deficient number, since it is larger than the sum of its proper divisors (1).

138764117055713 is an equidigital number, since it uses as much as digits as its factorization.

138764117055713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14817600, while the sum is 59.

The spelling of 138764117055713 in words is "one hundred thirty-eight trillion, seven hundred sixty-four billion, one hundred seventeen million, fifty-five thousand, seven hundred thirteen".