138764117055707 has 16 divisors (see below), whose sum is σ = 163999767197952. Its totient is φ = 115748134972320.

The previous prime is 138764117055671. The next prime is 138764117055713. The reversal of 138764117055707 is 707550711467831.

It is a cyclic number.

It is not a de Polignac number, because 138764117055707 - 2⁶ = 138764117055643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138764117055707.

It is not an unprimeable number, because it can be changed into a prime (138764117054707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2905300793 + ... + 2905348554.

It is an arithmetic number, because the mean of its divisors is an integer number (10249985449872).

Almost surely, 2^{138764117055707} is an apocalyptic number.

138764117055707 is a deficient number, since it is larger than the sum of its proper divisors (25235650142245).

138764117055707 is a wasteful number, since it uses less digits than its factorization.

138764117055707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810649538.

The product of its (nonzero) digits is 34574400, while the sum is 62.

The spelling of 138764117055707 in words is "one hundred thirty-eight trillion, seven hundred sixty-four billion, one hundred seventeen million, fifty-five thousand, seven hundred seven".