13140305325520 has 40 divisors (see below), whose sum is σ = 30617195302656. Its totient is φ = 5244769799808.

The previous prime is 13140305325487. The next prime is 13140305325599. The reversal of 13140305325520 is 2552350304131.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent 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, 177342892 + ... + 177416971.

Almost surely, 2^{13140305325520} is an apocalyptic number.

13140305325520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13140305325520 is an abundant number, since it is smaller than the sum of its proper divisors (17476889977136).

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

13140305325520 is a wasteful number, since it uses less digits than its factorization.

13140305325520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354760339 (or 354760333 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 13140305325520 its reverse (2552350304131), we get a palindrome (15692655629651).

The spelling of 13140305325520 in words is "thirteen trillion, one hundred forty billion, three hundred five million, three hundred twenty-five thousand, five hundred twenty".