137252860334881 has 2 divisors, whose sum is σ = 137252860334882. Its totient is φ = 137252860334880.

The previous prime is 137252860334861. The next prime is 137252860334959. The reversal of 137252860334881 is 188433068252731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137252565354256 + 294980625 = 11715484^2 + 17175^2 .

It is a cyclic number.

It is not a de Polignac number, because 137252860334881 - 2²⁵ = 137252826780449 is a prime.

It is a super-2 number, since 2×137252860334881² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (137252860334861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68626430167440 + 68626430167441.

It is an arithmetic number, because the mean of its divisors is an integer number (68626430167441).

Almost surely, 2^{137252860334881} is an apocalyptic number.

It is an amenable number.

137252860334881 is a deficient number, since it is larger than the sum of its proper divisors (1).

137252860334881 is an equidigital number, since it uses as much as digits as its factorization.

137252860334881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 137252860334881 in words is "one hundred thirty-seven trillion, two hundred fifty-two billion, eight hundred sixty million, three hundred thirty-four thousand, eight hundred eighty-one".