136636 has 6 divisors (see below), whose sum is σ = 239120. Its totient is φ = 68316.

The previous prime is 136621. The next prime is 136649. The reversal of 136636 is 636631.

136636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 136636.

It is a congruent number.

It is an unprimeable number.

136636 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 as a sum of consecutive naturals, namely, 17076 + ... + 17083.

2¹³⁶⁶³⁶ is an apocalyptic number.

It is an amenable number.

136636 is a deficient number, since it is larger than the sum of its proper divisors (102484).

136636 is a wasteful number, since it uses less digits than its factorization.

136636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34163 (or 34161 counting only the distinct ones).

The product of its digits is 1944, while the sum is 25.

The square root of 136636 is about 369.6430710834. The cubic root of 136636 is about 51.5056706610.

It can be divided in two parts, 13 and 6636, that multiplied together give a palindrome (86268).

The spelling of 136636 in words is "one hundred thirty-six thousand, six hundred thirty-six".