130654309 has 8 divisors (see below), whose sum is σ = 135351000. Its totient is φ = 125970432.

The previous prime is 130654211. The next prime is 130654351. The reversal of 130654309 is 903456031.

It can be written as a sum of positive squares in 4 ways, for example, as 24502500 + 106151809 = 4950^2 + 10303^2 .

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

It is not a de Polignac number, because 130654309 - 2²¹ = 128557157 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 (130654399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20677 + ... + 26245.

It is an arithmetic number, because the mean of its divisors is an integer number (16918875).

Almost surely, 2^130654309 is an apocalyptic number.

It is an amenable number.

130654309 is a deficient number, since it is larger than the sum of its proper divisors (4696691).

130654309 is an equidigital number, since it uses as much as digits as its factorization.

130654309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6407.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 130654309 is about 11430.4115848905. The cubic root of 130654309 is about 507.4281765587.

The spelling of 130654309 in words is "one hundred thirty million, six hundred fifty-four thousand, three hundred nine".