136485 has 20 divisors (see below), whose sum is σ = 245388. Its totient is φ = 72576.
The previous prime is 136483. The next prime is 136501. The reversal of 136485 is 584631.
136485 is a `hidden beast` number, since 13 + 648 + 5 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 42849 + 93636 = 207^2 + 306^2 .
It is not a de Polignac number, because 136485 - 21 = 136483 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
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 136485.
It is not an unprimeable number, because it can be changed into a prime (136481) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 237 + ... + 573.
136485 is a Friedman number, since it can be written as 1685*3^4, using all its digits and the basic arithmetic operations.
2136485 is an apocalyptic number.
136485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
136485 is a deficient number, since it is larger than the sum of its proper divisors (108903).
136485 is an equidigital number, since it uses as much as digits as its factorization.
136485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 354 (or 345 counting only the distinct ones).
The product of its digits is 2880, while the sum is 27.
The square root of 136485 is about 369.4387635319. The cubic root of 136485 is about 51.4866902482.
The spelling of 136485 in words is "one hundred thirty-six thousand, four hundred eighty-five".
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