134330209 has 16 divisors (see below), whose sum is σ = 161239680. Its totient is φ = 110557440.

The previous prime is 134330191. The next prime is 134330213. The reversal of 134330209 is 902033431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 134330209 - 2⁵ = 134330177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134330269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11797 + ... + 20194.

It is an arithmetic number, because the mean of its divisors is an integer number (10077480).

Almost surely, 2^134330209 is an apocalyptic number.

134330209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

134330209 is a deficient number, since it is larger than the sum of its proper divisors (26909471).

134330209 is a wasteful number, since it uses less digits than its factorization.

134330209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32040.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 134330209 is about 11590.0909832494. The cubic root of 134330209 is about 512.1429870518.

The spelling of 134330209 in words is "one hundred thirty-four million, three hundred thirty thousand, two hundred nine".