136285 has 8 divisors (see below), whose sum is σ = 165816. Its totient is φ = 107520.

The previous prime is 136277. The next prime is 136303. The reversal of 136285 is 582631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19321 + 116964 = 139^2 + 342^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136285 - 2³ = 136277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345 + ... + 625.

It is an arithmetic number, because the mean of its divisors is an integer number (20727).

2¹³⁶²⁸⁵ is an apocalyptic number.

It is an amenable number.

136285 is a deficient number, since it is larger than the sum of its proper divisors (29531).

136285 is an equidigital number, since it uses as much as digits as its factorization.

136285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383.

The product of its digits is 1440, while the sum is 25.

The square root of 136285 is about 369.1679834439. The cubic root of 136285 is about 51.4615290659.

The spelling of 136285 in words is "one hundred thirty-six thousand, two hundred eighty-five".