13540311204 has 24 divisors (see below), whose sum is σ = 36107496768. Its totient is φ = 3868660320.

The previous prime is 13540311203. The next prime is 13540311233. The reversal of 13540311204 is 40211304531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13540311203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80597007 + ... + 80597174.

It is an arithmetic number, because the mean of its divisors is an integer number (1504479032).

Almost surely, 2^13540311204 is an apocalyptic number.

13540311204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13540311204 is an abundant number, since it is smaller than the sum of its proper divisors (22567185564).

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

13540311204 is a wasteful number, since it uses less digits than its factorization.

13540311204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161194195 (or 161194193 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 13540311204 its reverse (40211304531), we get a palindrome (53751615735).

The spelling of 13540311204 in words is "thirteen billion, five hundred forty million, three hundred eleven thousand, two hundred four".