138814603177 has 2 divisors, whose sum is σ = 138814603178. Its totient is φ = 138814603176.

The previous prime is 138814603163. The next prime is 138814603201. The reversal of 138814603177 is 771306418831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132877746576 + 5936856601 = 364524^2 + 77051^2 .

It is a cyclic number.

It is not a de Polignac number, because 138814603177 - 2¹⁵ = 138814570409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 138814603177.

It is not a weakly prime, because it can be changed into another prime (138814603127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69407301588 + 69407301589.

It is an arithmetic number, because the mean of its divisors is an integer number (69407301589).

Almost surely, 2^138814603177 is an apocalyptic number.

It is an amenable number.

138814603177 is a deficient number, since it is larger than the sum of its proper divisors (1).

138814603177 is an equidigital number, since it uses as much as digits as its factorization.

138814603177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 138814603177 in words is "one hundred thirty-eight billion, eight hundred fourteen million, six hundred three thousand, one hundred seventy-seven".