13140232105408 has 28 divisors (see below), whose sum is σ = 26078875591192. Its totient is φ = 6569176838400.

The previous prime is 13140232105387. The next prime is 13140232105433. The reversal of 13140232105408 is 80450123204131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14223918 + ... + 15119533.

Almost surely, 2^{13140232105408} is an apocalyptic number.

It is an amenable number.

13140232105408 is a deficient number, since it is larger than the sum of its proper divisors (12938643485784).

13140232105408 is an equidigital number, since it uses as much as digits as its factorization.

13140232105408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29350460 (or 29350450 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 13140232105408 its reverse (80450123204131), we get a palindrome (93590355309539).

The spelling of 13140232105408 in words is "thirteen trillion, one hundred forty billion, two hundred thirty-two million, one hundred five thousand, four hundred eight".