134509408 has 36 divisors (see below), whose sum is σ = 291086460. Its totient is φ = 61138880.

The previous prime is 134509399. The next prime is 134509447. The reversal of 134509408 is 804905431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13498 + ... + 21241.

It is an arithmetic number, because the mean of its divisors is an integer number (8085735).

Almost surely, 2^134509408 is an apocalyptic number.

It is an amenable number.

134509408 is an abundant number, since it is smaller than the sum of its proper divisors (156577052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134509408 is a wasteful number, since it uses less digits than its factorization.

134509408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34771 (or 34752 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 134509408 is about 11597.8191053318. The cubic root of 134509408 is about 512.3706219523.

The spelling of 134509408 in words is "one hundred thirty-four million, five hundred nine thousand, four hundred eight".