13144043000 has 128 divisors (see below), whose sum is σ = 35527377600. Its totient is φ = 4498432000.

The previous prime is 13144042993. The next prime is 13144043009. The reversal of 13144043000 is 34044131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144043009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151856 + ... + 222144.

Almost surely, 2^13144043000 is an apocalyptic number.

13144043000 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 13144043000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17763688800).

13144043000 is an abundant number, since it is smaller than the sum of its proper divisors (22383334600).

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

13144043000 is a wasteful number, since it uses less digits than its factorization.

13144043000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70338 (or 70324 counting only the distinct ones).

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

Adding to 13144043000 its reverse (34044131), we get a palindrome (13178087131).

The spelling of 13144043000 in words is "thirteen billion, one hundred forty-four million, forty-three thousand".