130346809 has 4 divisors (see below), whose sum is σ = 131612416. Its totient is φ = 129081204.

The previous prime is 130346779. The next prime is 130346849. The reversal of 130346809 is 908643031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 908643031 = 103 ⋅8821777.

It is a cyclic number.

It is not a de Polignac number, because 130346809 - 2⁹ = 130346297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130346849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632649 + ... + 632854.

It is an arithmetic number, because the mean of its divisors is an integer number (32903104).

Almost surely, 2^130346809 is an apocalyptic number.

It is an amenable number.

130346809 is a deficient number, since it is larger than the sum of its proper divisors (1265607).

130346809 is a wasteful number, since it uses less digits than its factorization.

130346809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265606.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 130346809 is about 11416.9527020129. The cubic root of 130346809 is about 507.0297798618.

The spelling of 130346809 in words is "one hundred thirty million, three hundred forty-six thousand, eight hundred nine".