135683285 has 4 divisors (see below), whose sum is σ = 162819948. Its totient is φ = 108546624.

The previous prime is 135683269. The next prime is 135683287. The reversal of 135683285 is 582386531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13845841 + 121837444 = 3721^2 + 11038^2 .

It is a cyclic number.

It is not a de Polignac number, because 135683285 - 2⁴ = 135683269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135683287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13568324 + ... + 13568333.

It is an arithmetic number, because the mean of its divisors is an integer number (40704987).

Almost surely, 2^135683285 is an apocalyptic number.

It is an amenable number.

135683285 is a deficient number, since it is larger than the sum of its proper divisors (27136663).

135683285 is an equidigital number, since it uses as much as digits as its factorization.

135683285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27136662.

The product of its digits is 172800, while the sum is 41.

The square root of 135683285 is about 11648.3168311993. The cubic root of 135683285 is about 513.8568100788.

The spelling of 135683285 in words is "one hundred thirty-five million, six hundred eighty-three thousand, two hundred eighty-five".