135502424 has 16 divisors (see below), whose sum is σ = 254490720. Its totient is φ = 67638240.

The previous prime is 135502373. The next prime is 135502469. The reversal of 135502424 is 424205531.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 135502393 and 135502402.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 8912 + ... + 18719.

It is an arithmetic number, because the mean of its divisors is an integer number (15905670).

Almost surely, 2^135502424 is an apocalyptic number.

It is an amenable number.

135502424 is a deficient number, since it is larger than the sum of its proper divisors (118988296).

135502424 is a wasteful number, since it uses less digits than its factorization.

135502424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28250 (or 28246 counting only the distinct ones).

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

The square root of 135502424 is about 11640.5508460725. The cubic root of 135502424 is about 513.6283909313.

Adding to 135502424 its reverse (424205531), we get a palindrome (559707955).

The spelling of 135502424 in words is "one hundred thirty-five million, five hundred two thousand, four hundred twenty-four".