138544862013301 has 2 divisors, whose sum is σ = 138544862013302. Its totient is φ = 138544862013300.

The previous prime is 138544862013221. The next prime is 138544862013401. The reversal of 138544862013301 is 103310268445831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120381931296900 + 18162930716401 = 10971870^2 + 4261799^2 .

It is an emirp because it is prime and its reverse (103310268445831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138544862013301 is a prime.

It is a super-2 number, since 2×138544862013301² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138544862013001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69272431006650 + 69272431006651.

It is an arithmetic number, because the mean of its divisors is an integer number (69272431006651).

Almost surely, 2^{138544862013301} is an apocalyptic number.

It is an amenable number.

138544862013301 is a deficient number, since it is larger than the sum of its proper divisors (1).

138544862013301 is an equidigital number, since it uses as much as digits as its factorization.

138544862013301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 138544862013301 in words is "one hundred thirty-eight trillion, five hundred forty-four billion, eight hundred sixty-two million, thirteen thousand, three hundred one".