130217209 has 8 divisors (see below), whose sum is σ = 131400000. Its totient is φ = 129038832.

The previous prime is 130217167. The next prime is 130217231. The reversal of 130217209 is 902712031.

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 130217209 - 2¹⁹ = 129692921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130217299) 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 7 ways as a sum of consecutive naturals, for example, 88522 + ... + 89980.

It is an arithmetic number, because the mean of its divisors is an integer number (16425000).

Almost surely, 2^130217209 is an apocalyptic number.

It is an amenable number.

130217209 is a deficient number, since it is larger than the sum of its proper divisors (1182791).

130217209 is a wasteful number, since it uses less digits than its factorization.

130217209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 130217209 is about 11411.2755202913. The cubic root of 130217209 is about 506.8616825369.

The spelling of 130217209 in words is "one hundred thirty million, two hundred seventeen thousand, two hundred nine".