13140311530544 has 40 divisors (see below), whose sum is σ = 28451251034640. Its totient is φ = 5827189145600.

The previous prime is 13140311530537. The next prime is 13140311530607. The reversal of 13140311530544 is 44503511304131.

It is a happy number.

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, 910491089 + ... + 910505520.

It is an arithmetic number, because the mean of its divisors is an integer number (711281275866).

Almost surely, 2^{13140311530544} is an apocalyptic number.

It is an amenable number.

13140311530544 is an abundant number, since it is smaller than the sum of its proper divisors (15310939504096).

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

13140311530544 is a wasteful number, since it uses less digits than its factorization.

13140311530544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820996669 (or 1820996663 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 13140311530544 its reverse (44503511304131), we get a palindrome (57643822834675).

The spelling of 13140311530544 in words is "thirteen trillion, one hundred forty billion, three hundred eleven million, five hundred thirty thousand, five hundred forty-four".