138438722112763 has 2 divisors, whose sum is σ = 138438722112764. Its totient is φ = 138438722112762.

The previous prime is 138438722112709. The next prime is 138438722112841. The reversal of 138438722112763 is 367211227834831.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138438722112763 - 2²¹ = 138438720015611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138438722112698 and 138438722112707.

It is not a weakly prime, because it can be changed into another prime (138438722412763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69219361056381 + 69219361056382.

It is an arithmetic number, because the mean of its divisors is an integer number (69219361056382).

Almost surely, 2^{138438722112763} is an apocalyptic number.

138438722112763 is a deficient number, since it is larger than the sum of its proper divisors (1).

138438722112763 is an equidigital number, since it uses as much as digits as its factorization.

138438722112763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024, while the sum is 58.

The spelling of 138438722112763 in words is "one hundred thirty-eight trillion, four hundred thirty-eight billion, seven hundred twenty-two million, one hundred twelve thousand, seven hundred sixty-three".