13640105764329 has 32 divisors (see below), whose sum is σ = 19942851127680. Its totient is φ = 8224033382400.

The previous prime is 13640105764321. The next prime is 13640105764349. The reversal of 13640105764329 is 92346750104631.

It is not a de Polignac number, because 13640105764329 - 2³ = 13640105764321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13640105764321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4695427 + ... + 7023335.

It is an arithmetic number, because the mean of its divisors is an integer number (623214097740).

Almost surely, 2^{13640105764329} is an apocalyptic number.

It is an amenable number.

13640105764329 is a deficient number, since it is larger than the sum of its proper divisors (6302745363351).

13640105764329 is a wasteful number, since it uses less digits than its factorization.

13640105764329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328841.

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 13640105764329 in words is "thirteen trillion, six hundred forty billion, one hundred five million, seven hundred sixty-four thousand, three hundred twenty-nine".