130434209 has 4 divisors (see below), whose sum is σ = 130535616. Its totient is φ = 130332804.

The previous prime is 130434203. The next prime is 130434229. The reversal of 130434209 is 902434031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 902434031 = 8677 ⋅104003.

It is a cyclic number.

It is not a de Polignac number, because 130434209 - 2¹⁶ = 130368673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130434203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48749 + ... + 51354.

It is an arithmetic number, because the mean of its divisors is an integer number (32633904).

Almost surely, 2^130434209 is an apocalyptic number.

It is an amenable number.

130434209 is a deficient number, since it is larger than the sum of its proper divisors (101407).

130434209 is a wasteful number, since it uses less digits than its factorization.

130434209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101406.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 130434209 is about 11420.7797019293. The cubic root of 130434209 is about 507.1430788939.

The spelling of 130434209 in words is "one hundred thirty million, four hundred thirty-four thousand, two hundred nine".