136828 has 12 divisors (see below), whose sum is σ = 243040. Its totient is φ = 67392.

The previous prime is 136813. The next prime is 136841. The reversal of 136828 is 828631.

136828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 136796 and 136805.

It is a congruent number.

It is an unprimeable number.

136828 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100 + ... + 532.

2¹³⁶⁸²⁸ is an apocalyptic number.

It is an amenable number.

136828 is a deficient number, since it is larger than the sum of its proper divisors (106212).

136828 is a wasteful number, since it uses less digits than its factorization.

136828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 514 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 136828 is about 369.9026899064. The cubic root of 136828 is about 51.5297845118.

The spelling of 136828 in words is "one hundred thirty-six thousand, eight hundred twenty-eight".