13127621144 has 32 divisors (see below), whose sum is σ = 27292159440. Its totient is φ = 5869276800.

The previous prime is 13127621131. The next prime is 13127621149. The reversal of 13127621144 is 44112672131.

13127621144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13127621144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13127621149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1217399 + ... + 1228134.

Almost surely, 2^13127621144 is an apocalyptic number.

It is an amenable number.

13127621144 is an abundant number, since it is smaller than the sum of its proper divisors (14164538296).

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

13127621144 is a wasteful number, since it uses less digits than its factorization.

13127621144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445611 (or 2445607 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The spelling of 13127621144 in words is "thirteen billion, one hundred twenty-seven million, six hundred twenty-one thousand, one hundred forty-four".