130909105 has 8 divisors (see below), whose sum is σ = 160922664. Its totient is φ = 102172800.

The previous prime is 130909081. The next prime is 130909139. The reversal of 130909105 is 501909031.

It can be written as a sum of positive squares in 4 ways, for example, as 1700416 + 129208689 = 1304^2 + 11367^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-130909105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319086 + ... + 319495.

It is an arithmetic number, because the mean of its divisors is an integer number (20115333).

Almost surely, 2^130909105 is an apocalyptic number.

It is an amenable number.

130909105 is a deficient number, since it is larger than the sum of its proper divisors (30013559).

130909105 is an equidigital number, since it uses as much as digits as its factorization.

130909105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638627.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 130909105 is about 11441.5516867250. The cubic root of 130909105 is about 507.7578167010.

The spelling of 130909105 in words is "one hundred thirty million, nine hundred nine thousand, one hundred five".