13224665646139 has 2 divisors, whose sum is σ = 13224665646140. Its totient is φ = 13224665646138.

The previous prime is 13224665646103. The next prime is 13224665646287. The reversal of 13224665646139 is 93164656642231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13224665646139 - 2⁷ = 13224665646011 is a prime.

It is not a weakly prime, because it can be changed into another prime (13224665644139) 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, 6612332823069 + 6612332823070.

It is an arithmetic number, because the mean of its divisors is an integer number (6612332823070).

Almost surely, 2^{13224665646139} is an apocalyptic number.

13224665646139 is a deficient number, since it is larger than the sum of its proper divisors (1).

13224665646139 is an equidigital number, since it uses as much as digits as its factorization.

13224665646139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33592320, while the sum is 58.

The spelling of 13224665646139 in words is "thirteen trillion, two hundred twenty-four billion, six hundred sixty-five million, six hundred forty-six thousand, one hundred thirty-nine".