136844 has 6 divisors (see below), whose sum is σ = 239484. Its totient is φ = 68420.

The previous prime is 136841. The next prime is 136849. The reversal of 136844 is 448631.

It is not an unprimeable number, because it can be changed into a prime (136841) by changing a digit.

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 as a sum of consecutive naturals, namely, 17102 + ... + 17109.

It is an arithmetic number, because the mean of its divisors is an integer number (39914).

2¹³⁶⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

136844 is a deficient number, since it is larger than the sum of its proper divisors (102640).

136844 is a wasteful number, since it uses less digits than its factorization.

136844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34215 (or 34213 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 136844 is about 369.9243165838. The cubic root of 136844 is about 51.5317929808.

The spelling of 136844 in words is "one hundred thirty-six thousand, eight hundred forty-four".