134109904 has 40 divisors (see below), whose sum is σ = 280929440. Its totient is φ = 61803648.

The previous prime is 134109901. The next prime is 134109919. The reversal of 134109904 is 409901431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134109901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5287 + ... + 17209.

It is an arithmetic number, because the mean of its divisors is an integer number (7023236).

Almost surely, 2^134109904 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 134109904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140464720).

134109904 is an abundant number, since it is smaller than the sum of its proper divisors (146819536).

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

134109904 is a wasteful number, since it uses less digits than its factorization.

134109904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11987 (or 11981 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 134109904 is about 11580.5830595873. The cubic root of 134109904 is about 511.8628579630.

The spelling of 134109904 in words is "one hundred thirty-four million, one hundred nine thousand, nine hundred four".