138064118201 has 2 divisors, whose sum is σ = 138064118202. Its totient is φ = 138064118200.

The previous prime is 138064118191. The next prime is 138064118233. The reversal of 138064118201 is 102811460831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138056833600 + 7284601 = 371560^2 + 2699^2 .

It is an emirp because it is prime and its reverse (102811460831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 138064118201 - 2¹⁴ = 138064101817 is a prime.

It is not a weakly prime, because it can be changed into another prime (138064108201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69032059100 + 69032059101.

It is an arithmetic number, because the mean of its divisors is an integer number (69032059101).

Almost surely, 2^138064118201 is an apocalyptic number.

It is an amenable number.

138064118201 is a deficient number, since it is larger than the sum of its proper divisors (1).

138064118201 is an equidigital number, since it uses as much as digits as its factorization.

138064118201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 138064118201 in words is "one hundred thirty-eight billion, sixty-four million, one hundred eighteen thousand, two hundred one".