135229985 has 32 divisors (see below), whose sum is σ = 190594944. Its totient is φ = 91008000.

The previous prime is 135229979. The next prime is 135230009. The reversal of 135229985 is 589922531.

It is not a de Polignac number, because 135229985 - 2⁶ = 135229921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55850 + ... + 58220.

It is an arithmetic number, because the mean of its divisors is an integer number (5956092).

Almost surely, 2^135229985 is an apocalyptic number.

It is an amenable number.

135229985 is a deficient number, since it is larger than the sum of its proper divisors (55364959).

135229985 is a wasteful number, since it uses less digits than its factorization.

135229985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465.

The product of its digits is 194400, while the sum is 44.

The square root of 135229985 is about 11628.8428057137. The cubic root of 135229985 is about 513.2839289704.

The spelling of 135229985 in words is "one hundred thirty-five million, two hundred twenty-nine thousand, nine hundred eighty-five".