138762242065267 has 2 divisors, whose sum is σ = 138762242065268. Its totient is φ = 138762242065266.

The previous prime is 138762242065253. The next prime is 138762242065301. The reversal of 138762242065267 is 762560242267831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138762242065267 - 2³⁹ = 138212486251379 is a prime.

It is not a weakly prime, because it can be changed into another prime (138762242065217) 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, 69381121032633 + 69381121032634.

It is an arithmetic number, because the mean of its divisors is an integer number (69381121032634).

Almost surely, 2^{138762242065267} is an apocalyptic number.

138762242065267 is a deficient number, since it is larger than the sum of its proper divisors (1).

138762242065267 is an equidigital number, since it uses as much as digits as its factorization.

138762242065267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81285120, while the sum is 61.

The spelling of 138762242065267 in words is "one hundred thirty-eight trillion, seven hundred sixty-two billion, two hundred forty-two million, sixty-five thousand, two hundred sixty-seven".