137252860364881 has 2 divisors, whose sum is σ = 137252860364882. Its totient is φ = 137252860364880.

The previous prime is 137252860364839. The next prime is 137252860364899. The reversal of 137252860364881 is 188463068252731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126156026886400 + 11096833478481 = 11231920^2 + 3331191^2 .

It is a cyclic number.

It is not a de Polignac number, because 137252860364881 - 2⁹ = 137252860364369 is a prime.

It is a super-2 number, since 2×137252860364881² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (137252860334881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68626430182440 + 68626430182441.

It is an arithmetic number, because the mean of its divisors is an integer number (68626430182441).

Almost surely, 2^{137252860364881} is an apocalyptic number.

It is an amenable number.

137252860364881 is a deficient number, since it is larger than the sum of its proper divisors (1).

137252860364881 is an equidigital number, since it uses as much as digits as its factorization.

137252860364881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92897280, while the sum is 64.

The spelling of 137252860364881 in words is "one hundred thirty-seven trillion, two hundred fifty-two billion, eight hundred sixty million, three hundred sixty-four thousand, eight hundred eighty-one".