138076469339 has 2 divisors, whose sum is σ = 138076469340. Its totient is φ = 138076469338.

The previous prime is 138076469317. The next prime is 138076469407. The reversal of 138076469339 is 933964670831.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (933964670831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138076469339 is a prime.

It is a super-2 number, since 2×138076469339² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (138076469309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69038234669 + 69038234670.

It is an arithmetic number, because the mean of its divisors is an integer number (69038234670).

Almost surely, 2^138076469339 is an apocalyptic number.

138076469339 is a deficient number, since it is larger than the sum of its proper divisors (1).

138076469339 is an equidigital number, since it uses as much as digits as its factorization.

138076469339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17635968, while the sum is 59.

The spelling of 138076469339 in words is "one hundred thirty-eight billion, seventy-six million, four hundred sixty-nine thousand, three hundred thirty-nine".