135543428 has 12 divisors (see below), whose sum is σ = 237529740. Its totient is φ = 67677792.

The previous prime is 135543413. The next prime is 135543433. The reversal of 135543428 is 824345531.

135543428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 134606404 + 937024 = 11602^2 + 968^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20183 + ... + 26046.

It is an arithmetic number, because the mean of its divisors is an integer number (19794145).

Almost surely, 2^135543428 is an apocalyptic number.

It is an amenable number.

135543428 is a deficient number, since it is larger than the sum of its proper divisors (101986312).

135543428 is a wasteful number, since it uses less digits than its factorization.

135543428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46966 (or 46964 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 135543428 is about 11642.3119697077. The cubic root of 135543428 is about 513.6801949111.

Adding to 135543428 its reverse (824345531), we get a palindrome (959888959).

The spelling of 135543428 in words is "one hundred thirty-five million, five hundred forty-three thousand, four hundred twenty-eight".