138265763323 has 2 divisors, whose sum is σ = 138265763324. Its totient is φ = 138265763322.

The previous prime is 138265763299. The next prime is 138265763327. The reversal of 138265763323 is 323367562831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138265763323 is a prime.

It is not a weakly prime, because it can be changed into another prime (138265763327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69132881661 + 69132881662.

It is an arithmetic number, because the mean of its divisors is an integer number (69132881662).

Almost surely, 2^138265763323 is an apocalyptic number.

138265763323 is a deficient number, since it is larger than the sum of its proper divisors (1).

138265763323 is an equidigital number, since it uses as much as digits as its factorization.

138265763323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 49.

The spelling of 138265763323 in words is "one hundred thirty-eight billion, two hundred sixty-five million, seven hundred sixty-three thousand, three hundred twenty-three".