134644 has 12 divisors (see below), whose sum is σ = 241668. Its totient is φ = 65600.

The previous prime is 134639. The next prime is 134669. The reversal of 134644 is 446431.

It is a happy number.

134644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 19044 + 115600 = 138^2 + 340^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247 + ... + 574.

It is an arithmetic number, because the mean of its divisors is an integer number (20139).

2¹³⁴⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

134644 is a deficient number, since it is larger than the sum of its proper divisors (107024).

134644 is a wasteful number, since it uses less digits than its factorization.

134644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 864 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 134644 is about 366.9386869764. The cubic root of 134644 is about 51.2541460061.

The spelling of 134644 in words is "one hundred thirty-four thousand, six hundred forty-four".