138088074002537 has 2 divisors, whose sum is σ = 138088074002538. Its totient is φ = 138088074002536.

The previous prime is 138088074002521. The next prime is 138088074002647. The reversal of 138088074002537 is 735200470880831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94185006370816 + 43903067631721 = 9704896^2 + 6625939^2 .

It is an emirp because it is prime and its reverse (735200470880831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 138088074002537 - 2⁴ = 138088074002521 is a prime.

It is not a weakly prime, because it can be changed into another prime (138088074005537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69044037001268 + 69044037001269.

It is an arithmetic number, because the mean of its divisors is an integer number (69044037001269).

Almost surely, 2^{138088074002537} is an apocalyptic number.

It is an amenable number.

138088074002537 is a deficient number, since it is larger than the sum of its proper divisors (1).

138088074002537 is an equidigital number, since it uses as much as digits as its factorization.

138088074002537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 138088074002537 in words is "one hundred thirty-eight trillion, eighty-eight billion, seventy-four million, two thousand, five hundred thirty-seven".