13245144132 has 48 divisors (see below), whose sum is σ = 34877505600. Its totient is φ = 3875276160.

The previous prime is 13245144097. The next prime is 13245144149. The reversal of 13245144132 is 23144154231.

It is a self number, because there is not a number n which added to its sum of digits gives 13245144132.

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, 1726207 + ... + 1733862.

It is an arithmetic number, because the mean of its divisors is an integer number (726614700).

Almost surely, 2^13245144132 is an apocalyptic number.

13245144132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13245144132 is an abundant number, since it is smaller than the sum of its proper divisors (21632361468).

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

13245144132 is a wasteful number, since it uses less digits than its factorization.

13245144132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460116 (or 3460114 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

Adding to 13245144132 its reverse (23144154231), we get a palindrome (36389298363).

The spelling of 13245144132 in words is "thirteen billion, two hundred forty-five million, one hundred forty-four thousand, one hundred thirty-two".