13000043144 has 32 divisors (see below), whose sum is σ = 26637832800. Its totient is φ = 5898702720.

The previous prime is 13000043131. The next prime is 13000043167. The reversal of 13000043144 is 44134000031.

It is a happy number.

It is a super-2 number, since 2×13000043144² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79742 + ... + 179885.

It is an arithmetic number, because the mean of its divisors is an integer number (832432275).

Almost surely, 2^13000043144 is an apocalyptic number.

It is an amenable number.

13000043144 is an abundant number, since it is smaller than the sum of its proper divisors (13637789656).

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

13000043144 is a wasteful number, since it uses less digits than its factorization.

13000043144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260213 (or 260209 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13000043144 its reverse (44134000031), we get a palindrome (57134043175).

The spelling of 13000043144 in words is "thirteen billion, forty-three thousand, one hundred forty-four".