13145840839 has 2 divisors, whose sum is σ = 13145840840. Its totient is φ = 13145840838.

The previous prime is 13145840833. The next prime is 13145840879. The reversal of 13145840839 is 93804854131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13145840839 - 2¹³ = 13145832647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13145840833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6572920419 + 6572920420.

It is an arithmetic number, because the mean of its divisors is an integer number (6572920420).

Almost surely, 2^13145840839 is an apocalyptic number.

13145840839 is a deficient number, since it is larger than the sum of its proper divisors (1).

13145840839 is an equidigital number, since it uses as much as digits as its factorization.

13145840839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 13145840839 in words is "thirteen billion, one hundred forty-five million, eight hundred forty thousand, eight hundred thirty-nine".