130809545 has 8 divisors (see below), whose sum is σ = 157447680. Its totient is φ = 104330160.

The previous prime is 130809529. The next prime is 130809551. The reversal of 130809545 is 545908031.

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

It is not a de Polignac number, because 130809545 - 2⁴ = 130809529 is a prime.

It is a super-2 number, since 2×130809545² = 34222274126214050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37865 + ... + 41174.

It is an arithmetic number, because the mean of its divisors is an integer number (19680960).

Almost surely, 2^130809545 is an apocalyptic number.

It is an amenable number.

130809545 is a deficient number, since it is larger than the sum of its proper divisors (26638135).

130809545 is an equidigital number, since it uses as much as digits as its factorization.

130809545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79375.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 130809545 is about 11437.2000507117. The cubic root of 130809545 is about 507.6290627611.

The spelling of 130809545 in words is "one hundred thirty million, eight hundred nine thousand, five hundred forty-five".