13521017249140 has 24 divisors (see below), whose sum is σ = 29628663886080. Its totient is φ = 5173258773408.

The previous prime is 13521017249111. The next prime is 13521017249167. The reversal of 13521017249140 is 4194271012531.

It is a happy number.

13521017249140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13521017249093 and 13521017249102.

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, 14696757420 + ... + 14696758339.

It is an arithmetic number, because the mean of its divisors is an integer number (1234527661920).

Almost surely, 2^{13521017249140} is an apocalyptic number.

13521017249140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13521017249140 is an abundant number, since it is smaller than the sum of its proper divisors (16107646636940).

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

13521017249140 is a wasteful number, since it uses less digits than its factorization.

13521017249140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29393515791 (or 29393515789 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 13521017249140 in words is "thirteen trillion, five hundred twenty-one billion, seventeen million, two hundred forty-nine thousand, one hundred forty".