135282817 has 4 divisors (see below), whose sum is σ = 135991296. Its totient is φ = 134574340.

The previous prime is 135282769. The next prime is 135282827. The reversal of 135282817 is 718282531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135282817 - 2¹⁹ = 134758529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135282827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353953 + ... + 354334.

It is an arithmetic number, because the mean of its divisors is an integer number (33997824).

Almost surely, 2^135282817 is an apocalyptic number.

It is an amenable number.

135282817 is a deficient number, since it is larger than the sum of its proper divisors (708479).

135282817 is an equidigital number, since it uses as much as digits as its factorization.

135282817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708478.

The product of its digits is 26880, while the sum is 37.

The square root of 135282817 is about 11631.1141770683. The cubic root of 135282817 is about 513.3507639646.

The spelling of 135282817 in words is "one hundred thirty-five million, two hundred eighty-two thousand, eight hundred seventeen".