13315017137 has 2 divisors, whose sum is σ = 13315017138. Its totient is φ = 13315017136.

The previous prime is 13315017097. The next prime is 13315017143. The reversal of 13315017137 is 73171051331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7282232896 + 6032784241 = 85336^2 + 77671^2 .

It is a cyclic number.

It is not a de Polignac number, because 13315017137 - 2²⁰ = 13313968561 is a prime.

It is not a weakly prime, because it can be changed into another prime (13315017187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6657508568 + 6657508569.

It is an arithmetic number, because the mean of its divisors is an integer number (6657508569).

Almost surely, 2^13315017137 is an apocalyptic number.

It is an amenable number.

13315017137 is a deficient number, since it is larger than the sum of its proper divisors (1).

13315017137 is an equidigital number, since it uses as much as digits as its factorization.

13315017137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6615, while the sum is 32.

Adding to 13315017137 its reverse (73171051331), we get a palindrome (86486068468).

The spelling of 13315017137 in words is "thirteen billion, three hundred fifteen million, seventeen thousand, one hundred thirty-seven".