134323409 has 32 divisors (see below), whose sum is σ = 160745472. Its totient is φ = 110880000.

The previous prime is 134323393. The next prime is 134323411. The reversal of 134323409 is 904323431.

It is not a de Polignac number, because 134323409 - 2⁴ = 134323393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134323459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 889484 + ... + 889634.

It is an arithmetic number, because the mean of its divisors is an integer number (5023296).

Almost surely, 2^134323409 is an apocalyptic number.

It is an amenable number.

134323409 is a deficient number, since it is larger than the sum of its proper divisors (26422063).

134323409 is a wasteful number, since it uses less digits than its factorization.

134323409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 134323409 is about 11589.7976254980. The cubic root of 134323409 is about 512.1343450863.

The spelling of 134323409 in words is "one hundred thirty-four million, three hundred twenty-three thousand, four hundred nine".