13144653808 has 160 divisors (see below), whose sum is σ = 31001890752. Its totient is φ = 5319475200.

The previous prime is 13144653779. The next prime is 13144653829. The reversal of 13144653808 is 80835644131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7396216 + ... + 7397992.

Almost surely, 2^13144653808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13144653808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15500945376).

13144653808 is an abundant number, since it is smaller than the sum of its proper divisors (17857236944).

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

13144653808 is a wasteful number, since it uses less digits than its factorization.

13144653808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923 (or 1917 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 13144653808 in words is "thirteen billion, one hundred forty-four million, six hundred fifty-three thousand, eight hundred eight".