130900044 has 144 divisors (see below), whose sum is σ = 365613696. Its totient is φ = 36115200.

The previous prime is 130900019. The next prime is 130900067. The reversal of 130900044 is 440009031.

130900044 = 402² + 403² + ... + 770².

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1953699 + ... + 1953765.

It is an arithmetic number, because the mean of its divisors is an integer number (2538984).

Almost surely, 2^130900044 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 130900044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182806848).

130900044 is an abundant number, since it is smaller than the sum of its proper divisors (234713652).

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

130900044 is a wasteful number, since it uses less digits than its factorization.

130900044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 130900044 is about 11441.1557108537. The cubic root of 130900044 is about 507.7461014484.

Adding to 130900044 its reverse (440009031), we get a palindrome (570909075).

The spelling of 130900044 in words is "one hundred thirty million, nine hundred thousand, forty-four".