13134042320 has 120 divisors (see below), whose sum is σ = 35736712704. Its totient is φ = 4475912448.

The previous prime is 13134042289. The next prime is 13134042343. The reversal of 13134042320 is 2324043131.

It is a congruent number.

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, 644609 + ... + 664671.

Almost surely, 2^13134042320 is an apocalyptic number.

13134042320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13134042320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17868356352).

13134042320 is an abundant number, since it is smaller than the sum of its proper divisors (22602670384).

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

13134042320 is a wasteful number, since it uses less digits than its factorization.

13134042320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20257 (or 20244 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13134042320 its reverse (2324043131), we get a palindrome (15458085451).

The spelling of 13134042320 in words is "thirteen billion, one hundred thirty-four million, forty-two thousand, three hundred twenty".