135224742 has 8 divisors (see below), whose sum is σ = 270449496. Its totient is φ = 45074912.

The previous prime is 135224741. The next prime is 135224773. The reversal of 135224742 is 247422531.

135224742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

135224742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135224741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11268723 + ... + 11268734.

It is an arithmetic number, because the mean of its divisors is an integer number (33806187).

Almost surely, 2^135224742 is an apocalyptic number.

135224742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

135224742 is a wasteful number, since it uses less digits than its factorization.

135224742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22537462.

The product of its digits is 13440, while the sum is 30.

The square root of 135224742 is about 11628.6173726716. The cubic root of 135224742 is about 513.2772953764.

The spelling of 135224742 in words is "one hundred thirty-five million, two hundred twenty-four thousand, seven hundred forty-two".