130001144 has 64 divisors (see below), whose sum is σ = 301539840. Its totient is φ = 51166080.

The previous prime is 130001117. The next prime is 130001149. The reversal of 130001144 is 441100031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130001149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205709 + ... + 206339.

It is an arithmetic number, because the mean of its divisors is an integer number (4711560).

Almost surely, 2^130001144 is an apocalyptic number.

130001144 is a gapful number since it is divisible by the number (14) 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 130001144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150769920).

130001144 is an abundant number, since it is smaller than the sum of its proper divisors (171538696).

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

130001144 is a wasteful number, since it uses less digits than its factorization.

130001144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 130001144 is about 11401.8044185997. The cubic root of 130001144 is about 506.5811878729.

Adding to 130001144 its reverse (441100031), we get a palindrome (571101175).

The spelling of 130001144 in words is "one hundred thirty million, one thousand, one hundred forty-four".