13140240453497 has 2 divisors, whose sum is σ = 13140240453498. Its totient is φ = 13140240453496.

The previous prime is 13140240453443. The next prime is 13140240453551. The reversal of 13140240453497 is 79435404204131.

It is a balanced prime because it is at equal distance from previous prime (13140240453443) and next prime (13140240453551).

It can be written as a sum of positive squares in only one way, i.e., 7517598846976 + 5622641606521 = 2741824^2 + 2371211^2 .

It is an emirp because it is prime and its reverse (79435404204131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13140240453497 - 2⁴⁰ = 12040728825721 is a prime.

It is not a weakly prime, because it can be changed into another prime (13140540453497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6570120226748 + 6570120226749.

It is an arithmetic number, because the mean of its divisors is an integer number (6570120226749).

Almost surely, 2^{13140240453497} is an apocalyptic number.

It is an amenable number.

13140240453497 is a deficient number, since it is larger than the sum of its proper divisors (1).

13140240453497 is an equidigital number, since it uses as much as digits as its factorization.

13140240453497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 13140240453497 in words is "thirteen trillion, one hundred forty billion, two hundred forty million, four hundred fifty-three thousand, four hundred ninety-seven".