13224665646136 has 32 divisors (see below), whose sum is σ = 28343654886240. Its totient is φ = 5666696719488.

The previous prime is 13224665646103. The next prime is 13224665646139. The reversal of 13224665646136 is 63164656642231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13224665646139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20875311 + ... + 21499486.

It is an arithmetic number, because the mean of its divisors is an integer number (885739215195).

Almost surely, 2^{13224665646136} is an apocalyptic number.

It is an amenable number.

13224665646136 is an abundant number, since it is smaller than the sum of its proper divisors (15118989240104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13224665646136 is a wasteful number, since it uses less digits than its factorization.

13224665646136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42380383 (or 42380379 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 55.

The spelling of 13224665646136 in words is "thirteen trillion, two hundred twenty-four billion, six hundred sixty-five million, six hundred forty-six thousand, one hundred thirty-six".