134866944 has 144 divisors (see below), whose sum is σ = 405437760. Its totient is φ = 44789760.

The previous prime is 134866937. The next prime is 134866987. The reversal of 134866944 is 449668431.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 134866944.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497529 + ... + 497799.

It is an arithmetic number, because the mean of its divisors is an integer number (2815540).

Almost surely, 2^134866944 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 134866944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202718880).

134866944 is an abundant number, since it is smaller than the sum of its proper divisors (270570816).

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

134866944 is an frugal number, since it uses more digits than its factorization.

134866944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 276 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 134866944 is about 11613.2228085058. Note that the first 3 decimals coincide. The cubic root of 134866944 is about 512.8241933739.

The spelling of 134866944 in words is "one hundred thirty-four million, eight hundred sixty-six thousand, nine hundred forty-four".