135252744 has 32 divisors (see below), whose sum is σ = 368871840. Its totient is φ = 40985600.

The previous prime is 135252743. The next prime is 135252749. The reversal of 135252744 is 447252531.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (135252743) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 255897 + ... + 256424.

It is an arithmetic number, because the mean of its divisors is an integer number (11527245).

Almost surely, 2^135252744 is an apocalyptic number.

It is an amenable number.

135252744 is an abundant number, since it is smaller than the sum of its proper divisors (233619096).

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

135252744 is a wasteful number, since it uses less digits than its factorization.

135252744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512341 (or 512337 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 135252744 is about 11629.8213227891. The cubic root of 135252744 is about 513.3127223223.

The spelling of 135252744 in words is "one hundred thirty-five million, two hundred fifty-two thousand, seven hundred forty-four".