130948209 has 24 divisors (see below), whose sum is σ = 227547840. Its totient is φ = 70888608.

The previous prime is 130948189. The next prime is 130948277. The reversal of 130948209 is 902849031.

It is not a de Polignac number, because 130948209 - 2⁹ = 130947697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130948289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53502 + ... + 55895.

It is an arithmetic number, because the mean of its divisors is an integer number (9481160).

Almost surely, 2^130948209 is an apocalyptic number.

130948209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

130948209 is a deficient number, since it is larger than the sum of its proper divisors (96599631).

130948209 is a wasteful number, since it uses less digits than its factorization.

130948209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109429 (or 109426 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 130948209 is about 11443.2604182549. The cubic root of 130948209 is about 507.8083692963.

The spelling of 130948209 in words is "one hundred thirty million, nine hundred forty-eight thousand, two hundred nine".