130435209 has 12 divisors (see below), whose sum is σ = 198322800. Its totient is φ = 82380024.

The previous prime is 130435189. The next prime is 130435219. The reversal of 130435209 is 902534031.

130435209 is a `hidden beast` number, since 1 + 304 + 352 + 0 + 9 = 666.

It is not a de Polignac number, because 130435209 - 2⁹ = 130434697 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130435219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381219 + ... + 381560.

It is an arithmetic number, because the mean of its divisors is an integer number (16526900).

Almost surely, 2^130435209 is an apocalyptic number.

130435209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

130435209 is a deficient number, since it is larger than the sum of its proper divisors (67887591).

130435209 is a wasteful number, since it uses less digits than its factorization.

130435209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762804 (or 762801 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 130435209 is about 11420.8234816934. The cubic root of 130435209 is about 507.1443749286.

The spelling of 130435209 in words is "one hundred thirty million, four hundred thirty-five thousand, two hundred nine".