135042424 has 64 divisors (see below), whose sum is σ = 307929600. Its totient is φ = 54720000.

The previous prime is 135042331. The next prime is 135042461. The reversal of 135042424 is 424240531.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 26049 + ... + 30799.

It is an arithmetic number, because the mean of its divisors is an integer number (4811400).

Almost surely, 2^135042424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135042424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153964800).

135042424 is an abundant number, since it is smaller than the sum of its proper divisors (172887176).

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

135042424 is a wasteful number, since it uses less digits than its factorization.

135042424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804 (or 4800 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 135042424 is about 11620.7755335003. The cubic root of 135042424 is about 513.0465146859.

Adding to 135042424 its reverse (424240531), we get a palindrome (559282955).

The spelling of 135042424 in words is "one hundred thirty-five million, forty-two thousand, four hundred twenty-four".