13140345512 has 32 divisors (see below), whose sum is σ = 28844665920. Its totient is φ = 5494220160.

The previous prime is 13140345443. The next prime is 13140345563. The reversal of 13140345512 is 21554304131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2859278 + ... + 2863869.

It is an arithmetic number, because the mean of its divisors is an integer number (901395810).

Almost surely, 2^13140345512 is an apocalyptic number.

It is an amenable number.

13140345512 is an abundant number, since it is smaller than the sum of its proper divisors (15704320408).

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

13140345512 is a wasteful number, since it uses less digits than its factorization.

13140345512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5723201 (or 5723197 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 13140345512 its reverse (21554304131), we get a palindrome (34694649643).

The spelling of 13140345512 in words is "thirteen billion, one hundred forty million, three hundred forty-five thousand, five hundred twelve".