13542235252 has 72 divisors (see below), whose sum is σ = 29751036000. Its totient is φ = 5346129600.

The previous prime is 13542235219. The next prime is 13542235279. The reversal of 13542235252 is 25253224531.

13542235252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1266127 + ... + 1276777.

Almost surely, 2^13542235252 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 13542235252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14875518000).

13542235252 is an abundant number, since it is smaller than the sum of its proper divisors (16208800748).

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

13542235252 is a wasteful number, since it uses less digits than its factorization.

13542235252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11181 (or 11172 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

Adding to 13542235252 its reverse (25253224531), we get a palindrome (38795459783).

The spelling of 13542235252 in words is "thirteen billion, five hundred forty-two million, two hundred thirty-five thousand, two hundred fifty-two".