134443269 has 12 divisors (see below), whose sum is σ = 194464192. Its totient is φ = 89505000.

The previous prime is 134443193. The next prime is 134443271. The reversal of 134443269 is 962344431.

It is a happy number.

It is not a de Polignac number, because 134443269 - 2⁸ = 134443013 is a prime.

It is a super-2 number, since 2×134443269² = 36149985158812722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134443279) 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, 3187 + ... + 16704.

Almost surely, 2^134443269 is an apocalyptic number.

It is an amenable number.

134443269 is a deficient number, since it is larger than the sum of its proper divisors (60020923).

134443269 is a wasteful number, since it uses less digits than its factorization.

134443269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20648 (or 20645 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 134443269 is about 11594.9673996954. The cubic root of 134443269 is about 512.2866297199.

The spelling of 134443269 in words is "one hundred thirty-four million, four hundred forty-three thousand, two hundred sixty-nine".