1315726470137 has 2 divisors, whose sum is σ = 1315726470138. Its totient is φ = 1315726470136.

The previous prime is 1315726470029. The next prime is 1315726470151. The reversal of 1315726470137 is 7310746275131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 965716978681 + 350009491456 = 982709^2 + 591616^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315726470137 - 2²⁶ = 1315659361273 is a prime.

It is a super-2 number, since 2×1315726470137² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1315726470091 and 1315726470100.

It is not a weakly prime, because it can be changed into another prime (1315726470337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657863235068 + 657863235069.

It is an arithmetic number, because the mean of its divisors is an integer number (657863235069).

Almost surely, 2^{1315726470137} is an apocalyptic number.

It is an amenable number.

1315726470137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315726470137 is an equidigital number, since it uses as much as digits as its factorization.

1315726470137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 740880, while the sum is 47.

The spelling of 1315726470137 in words is "one trillion, three hundred fifteen billion, seven hundred twenty-six million, four hundred seventy thousand, one hundred thirty-seven".