138763876319 has 2 divisors, whose sum is σ = 138763876320. Its totient is φ = 138763876318.

The previous prime is 138763876217. The next prime is 138763876351. The reversal of 138763876319 is 913678367831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138763876319 - 2³² = 134468909023 is a prime.

It is a super-2 number, since 2×138763876319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138763876819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69381938159 + 69381938160.

It is an arithmetic number, because the mean of its divisors is an integer number (69381938160).

Almost surely, 2^138763876319 is an apocalyptic number.

138763876319 is a deficient number, since it is larger than the sum of its proper divisors (1).

138763876319 is an equidigital number, since it uses as much as digits as its factorization.

138763876319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27433728, while the sum is 62.

The spelling of 138763876319 in words is "one hundred thirty-eight billion, seven hundred sixty-three million, eight hundred seventy-six thousand, three hundred nineteen".