13147243460 has 72 divisors (see below), whose sum is σ = 29963709720. Its totient is φ = 4845492288.

The previous prime is 13147243457. The next prime is 13147243481. The reversal of 13147243460 is 6434274131.

It can be written as a sum of positive squares in 4 ways, for example, as 4902240256 + 8245003204 = 70016^2 + 90802^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13147243460.

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, 24034907 + ... + 24035453.

It is an arithmetic number, because the mean of its divisors is an integer number (416162635).

Almost surely, 2^13147243460 is an apocalyptic number.

13147243460 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 13147243460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14981854860).

13147243460 is an abundant number, since it is smaller than the sum of its proper divisors (16816466260).

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

13147243460 is an frugal number, since it uses more digits than its factorization.

13147243460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 13147243460 in words is "thirteen billion, one hundred forty-seven million, two hundred forty-three thousand, four hundred sixty".