82136 has 8 divisors (see below), whose sum is σ = 154020. Its totient is φ = 41064.

The previous prime is 82129. The next prime is 82139. The reversal of 82136 is 63128.

82136 = 64² + 65² + ... + 79².

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82139) by changing a digit.

82136 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, 5126 + ... + 5141.

2⁸²¹³⁶ is an apocalyptic number.

It is an amenable number.

82136 is a deficient number, since it is larger than the sum of its proper divisors (71884).

82136 is a wasteful number, since it uses less digits than its factorization.

82136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10273 (or 10269 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 82136 is about 286.5937891860. The cubic root of 82136 is about 43.4688198631.

The spelling of 82136 in words is "eighty-two thousand, one hundred thirty-six".