135344128 has 52 divisors (see below), whose sum is σ = 273644928. Its totient is φ = 66928640.

The previous prime is 135344093. The next prime is 135344129. The reversal of 135344128 is 821443531.

It is a self number, because there is not a number n which added to its sum of digits gives 135344128.

It is not an unprimeable number, because it can be changed into a prime (135344129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708513 + ... + 708703.

Almost surely, 2^135344128 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 135344128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136822464).

135344128 is an abundant number, since it is smaller than the sum of its proper divisors (138300800).

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

135344128 is an equidigital number, since it uses as much as digits as its factorization.

135344128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 366 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 135344128 is about 11633.7495245514. The cubic root of 135344128 is about 513.4283034872.

Adding to 135344128 its reverse (821443531), we get a palindrome (956787659).

The spelling of 135344128 in words is "one hundred thirty-five million, three hundred forty-four thousand, one hundred twenty-eight".