13542321432 has 64 divisors (see below), whose sum is σ = 35346228480. Its totient is φ = 4315588992.

The previous prime is 13542321427. The next prime is 13542321473. The reversal of 13542321432 is 23412324531.

It is a self number, because there is not a number n which added to its sum of digits gives 13542321432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1290318 + ... + 1300770.

It is an arithmetic number, because the mean of its divisors is an integer number (552284820).

Almost surely, 2^13542321432 is an apocalyptic number.

13542321432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13542321432 is an abundant number, since it is smaller than the sum of its proper divisors (21803907048).

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

13542321432 is a wasteful number, since it uses less digits than its factorization.

13542321432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12832 (or 12828 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

Adding to 13542321432 its reverse (23412324531), we get a palindrome (36954645963).

The spelling of 13542321432 in words is "thirteen billion, five hundred forty-two million, three hundred twenty-one thousand, four hundred thirty-two".