136287 has 12 divisors (see below), whose sum is σ = 207480. Its totient is φ = 85968.

The previous prime is 136277. The next prime is 136303. The reversal of 136287 is 782631.

136287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136287 - 2⁶ = 136223 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 136287.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136287.

It is not an unprimeable number, because it can be changed into a prime (136207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228 + ... + 569.

It is an arithmetic number, because the mean of its divisors is an integer number (17290).

2¹³⁶²⁸⁷ is an apocalyptic number.

136287 is a deficient number, since it is larger than the sum of its proper divisors (71193).

136287 is a wasteful number, since it uses less digits than its factorization.

136287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 819 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 136287 is about 369.1706922279. The cubic root of 136287 is about 51.4617807995.

The spelling of 136287 in words is "one hundred thirty-six thousand, two hundred eighty-seven".