134385504 has 144 divisors (see below), whose sum is σ = 405409536. Its totient is φ = 38874880.

The previous prime is 134385487. The next prime is 134385509. The reversal of 134385504 is 405583431.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134385509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266917 + ... + 267419.

It is an arithmetic number, because the mean of its divisors is an integer number (2815344).

Almost surely, 2^134385504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134385504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202704768).

134385504 is an abundant number, since it is smaller than the sum of its proper divisors (271024032).

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

134385504 is a wasteful number, since it uses less digits than its factorization.

134385504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 134385504 is about 11592.4761806958. The cubic root of 134385504 is about 512.2132493849.

The spelling of 134385504 in words is "one hundred thirty-four million, three hundred eighty-five thousand, five hundred four".