13140636449399 has 8 divisors (see below), whose sum is σ = 13170876739680. Its totient is φ = 13110397556256.

The previous prime is 13140636449389. The next prime is 13140636449417. The reversal of 13140636449399 is 99394463604131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13140636449399 - 2⁴ = 13140636449383 is a prime.

It is a super-2 number, since 2×13140636449399² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140636449359) 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, 19820909 + ... + 20473145.

It is an arithmetic number, because the mean of its divisors is an integer number (1646359592460).

Almost surely, 2^{13140636449399} is an apocalyptic number.

13140636449399 is a deficient number, since it is larger than the sum of its proper divisors (30240290281).

13140636449399 is an equidigital number, since it uses as much as digits as its factorization.

13140636449399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698569.

The product of its (nonzero) digits is 45349632, while the sum is 62.

The spelling of 13140636449399 in words is "thirteen trillion, one hundred forty billion, six hundred thirty-six million, four hundred forty-nine thousand, three hundred ninety-nine".