134012209 has 4 divisors (see below), whose sum is σ = 137128816. Its totient is φ = 130895604.

The previous prime is 134012171. The next prime is 134012227. The reversal of 134012209 is 902210431.

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.

It is a cyclic number.

It is not a de Polignac number, because 134012209 - 2¹¹ = 134010161 is a prime.

It is a super-2 number, since 2×134012209² = 35918544322119362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134012209.

It is not an unprimeable number, because it can be changed into a prime (134012269) 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, 1558239 + ... + 1558324.

It is an arithmetic number, because the mean of its divisors is an integer number (34282204).

Almost surely, 2^134012209 is an apocalyptic number.

It is an amenable number.

134012209 is a deficient number, since it is larger than the sum of its proper divisors (3116607).

134012209 is an equidigital number, since it uses as much as digits as its factorization.

134012209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116606.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 134012209 is about 11576.3642392592. The cubic root of 134012209 is about 511.7385355775.

The spelling of 134012209 in words is "one hundred thirty-four million, twelve thousand, two hundred nine".