13181795344 has 15 divisors (see below), whose sum is σ = 25540618303. Its totient is φ = 6590668048.

The previous prime is 13181795317. The next prime is 13181795369. The reversal of 13181795344 is 44359718131.

The square root of 13181795344 is 114812.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×13181795344² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13181795294 and 13181795303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 444897 + ... + 473599.

Almost surely, 2^13181795344 is an apocalyptic number.

13181795344 is the 114812-nd square number.

It is an amenable number.

13181795344 is a deficient number, since it is larger than the sum of its proper divisors (12358822959).

13181795344 is an frugal number, since it uses more digits than its factorization.

13181795344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57414 (or 28705 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The spelling of 13181795344 in words is "thirteen billion, one hundred eighty-one million, seven hundred ninety-five thousand, three hundred forty-four".