130368109 has 4 divisors (see below), whose sum is σ = 130435516. Its totient is φ = 130300704.

The previous prime is 130368107. The next prime is 130368127. The reversal of 130368109 is 901863031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64352484 + 66015625 = 8022^2 + 8125^2 .

It is a cyclic number.

It is not a de Polignac number, because 130368109 - 2¹ = 130368107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130368107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30714 + ... + 34699.

It is an arithmetic number, because the mean of its divisors is an integer number (32608879).

Almost surely, 2^130368109 is an apocalyptic number.

It is an amenable number.

130368109 is a deficient number, since it is larger than the sum of its proper divisors (67407).

130368109 is an equidigital number, since it uses as much as digits as its factorization.

130368109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67406.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 130368109 is about 11417.8854872520. The cubic root of 130368109 is about 507.0573963059.

The spelling of 130368109 in words is "one hundred thirty million, three hundred sixty-eight thousand, one hundred nine".