135240524 has 24 divisors (see below), whose sum is σ = 242228448. Its totient is φ = 66044160.

The previous prime is 135240503. The next prime is 135240533. The reversal of 135240524 is 425042531.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 135240493 and 135240502.

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, 49769 + ... + 52415.

It is an arithmetic number, because the mean of its divisors is an integer number (10092852).

Almost surely, 2^135240524 is an apocalyptic number.

It is an amenable number.

135240524 is a deficient number, since it is larger than the sum of its proper divisors (106987924).

135240524 is a wasteful number, since it uses less digits than its factorization.

135240524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945 (or 2943 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 135240524 is about 11629.2959374160. The cubic root of 135240524 is about 513.2972626966.

The spelling of 135240524 in words is "one hundred thirty-five million, two hundred forty thousand, five hundred twenty-four".