130705009 has 8 divisors (see below), whose sum is σ = 138948480. Its totient is φ = 122598000.

The previous prime is 130704989. The next prime is 130705013. The reversal of 130705009 is 900507031.

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 130705009 - 2²³ = 122316401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130705019) 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, 32137 + ... + 35974.

It is an arithmetic number, because the mean of its divisors is an integer number (17368560).

Almost surely, 2^130705009 is an apocalyptic number.

130705009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

130705009 is a deficient number, since it is larger than the sum of its proper divisors (8243471).

130705009 is a wasteful number, since it uses less digits than its factorization.

130705009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68231.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 130705009 is about 11432.6291376918. The cubic root of 130705009 is about 507.4938033815.

The spelling of 130705009 in words is "one hundred thirty million, seven hundred five thousand, nine".