13540104324 has 72 divisors (see below), whose sum is σ = 35757933120. Its totient is φ = 4311882432.

The previous prime is 13540104307. The next prime is 13540104401. The reversal of 13540104324 is 42340104531.

It is a happy number.

13540104324 is a `hidden beast` number, since 13 + 540 + 104 + 3 + 2 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 701734 + ... + 720770.

It is an arithmetic number, because the mean of its divisors is an integer number (496637960).

Almost surely, 2^13540104324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13540104324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17878966560).

13540104324 is an abundant number, since it is smaller than the sum of its proper divisors (22217828796).

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

13540104324 is a wasteful number, since it uses less digits than its factorization.

13540104324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19929 (or 19924 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 13540104324 its reverse (42340104531), we get a palindrome (55880208855).

The spelling of 13540104324 in words is "thirteen billion, five hundred forty million, one hundred four thousand, three hundred twenty-four".