135216065 has 8 divisors (see below), whose sum is σ = 170799360. Its totient is φ = 102479472.

The previous prime is 135216043. The next prime is 135216083. The reversal of 135216065 is 560612531.

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

It is a cyclic number.

It is not a de Polignac number, because 135216065 - 2¹⁸ = 134953921 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 711569 + ... + 711758.

It is an arithmetic number, because the mean of its divisors is an integer number (21349920).

Almost surely, 2^135216065 is an apocalyptic number.

It is an amenable number.

135216065 is a deficient number, since it is larger than the sum of its proper divisors (35583295).

135216065 is a wasteful number, since it uses less digits than its factorization.

135216065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423351.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 135216065 is about 11628.2442784799. The cubic root of 135216065 is about 513.2663166106.

Adding to 135216065 its reverse (560612531), we get a palindrome (695828596).

The spelling of 135216065 in words is "one hundred thirty-five million, two hundred sixteen thousand, sixty-five".