135240306 has 32 divisors (see below), whose sum is σ = 274881600. Its totient is φ = 44352000.

The previous prime is 135240293. The next prime is 135240317. The reversal of 135240306 is 603042531.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 133530 + ... + 134538.

It is an arithmetic number, because the mean of its divisors is an integer number (8590050).

Almost surely, 2^135240306 is an apocalyptic number.

135240306 is an abundant number, since it is smaller than the sum of its proper divisors (139641294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135240306 is a wasteful number, since it uses less digits than its factorization.

135240306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 135240306 is about 11629.2865645318. The cubic root of 135240306 is about 513.2969868945.

Adding to 135240306 its reverse (603042531), we get a palindrome (738282837).

The spelling of 135240306 in words is "one hundred thirty-five million, two hundred forty thousand, three hundred six".