135915285 has 16 divisors (see below), whose sum is σ = 237234240. Its totient is φ = 65898240.

The previous prime is 135915281. The next prime is 135915317. The reversal of 135915285 is 582519531.

It is not a de Polignac number, because 135915285 - 2² = 135915281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135915281) 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 15 ways as a sum of consecutive naturals, for example, 411700 + ... + 412029.

It is an arithmetic number, because the mean of its divisors is an integer number (14827140).

Almost surely, 2^135915285 is an apocalyptic number.

135915285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135915285 is a deficient number, since it is larger than the sum of its proper divisors (101318955).

135915285 is a wasteful number, since it uses less digits than its factorization.

135915285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823748.

The product of its digits is 54000, while the sum is 39.

The square root of 135915285 is about 11658.2710982375. The cubic root of 135915285 is about 514.1495184435.

The spelling of 135915285 in words is "one hundred thirty-five million, nine hundred fifteen thousand, two hundred eighty-five".