130044109 has 8 divisors (see below), whose sum is σ = 140239512. Its totient is φ = 119876160.

The previous prime is 130044107. The next prime is 130044137. The reversal of 130044109 is 901440031.

It can be written as a sum of positive squares in 4 ways, for example, as 585225 + 129458884 = 765^2 + 11378^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130044109 - 2¹ = 130044107 is a prime.

It is a super-2 number, since 2×130044109² = 33822940571207762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130044109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130044107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3579 + ... + 16519.

It is an arithmetic number, because the mean of its divisors is an integer number (17529939).

Almost surely, 2^130044109 is an apocalyptic number.

It is an amenable number.

130044109 is a deficient number, since it is larger than the sum of its proper divisors (10195403).

130044109 is a wasteful number, since it uses less digits than its factorization.

130044109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13727.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 130044109 is about 11403.6883945502. The cubic root of 130044109 is about 506.6369895956.

The spelling of 130044109 in words is "one hundred thirty million, forty-four thousand, one hundred nine".