130044992 has 84 divisors (see below), whose sum is σ = 324307200. Its totient is φ = 50645760.

The previous prime is 130044991. The next prime is 130045001. The reversal of 130044992 is 299440031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (130044991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53009 + ... + 55407.

It is an arithmetic number, because the mean of its divisors is an integer number (3860800).

Almost surely, 2^130044992 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 130044992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162153600).

130044992 is an abundant number, since it is smaller than the sum of its proper divisors (194262208).

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

130044992 is a wasteful number, since it uses less digits than its factorization.

130044992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440 (or 2419 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 130044992 is about 11403.7271100285. The cubic root of 130044992 is about 506.6381362821.

The spelling of 130044992 in words is "one hundred thirty million, forty-four thousand, nine hundred ninety-two".