13140443399 has 2 divisors, whose sum is σ = 13140443400. Its totient is φ = 13140443398.

The previous prime is 13140443389. The next prime is 13140443417. The reversal of 13140443399 is 99334404131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13140443399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13140443389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6570221699 + 6570221700.

It is an arithmetic number, because the mean of its divisors is an integer number (6570221700).

Almost surely, 2^13140443399 is an apocalyptic number.

13140443399 is a deficient number, since it is larger than the sum of its proper divisors (1).

13140443399 is an equidigital number, since it uses as much as digits as its factorization.

13140443399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 13140443399 in words is "thirteen billion, one hundred forty million, four hundred forty-three thousand, three hundred ninety-nine".