135278328 has 32 divisors (see below), whose sum is σ = 355996800. Its totient is φ = 42719328.

The previous prime is 135278323. The next prime is 135278369. The reversal of 135278328 is 823872531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135278323) 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, 147876 + ... + 148787.

It is an arithmetic number, because the mean of its divisors is an integer number (11124900).

Almost surely, 2^135278328 is an apocalyptic number.

It is an amenable number.

135278328 is an abundant number, since it is smaller than the sum of its proper divisors (220718472).

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

135278328 is a wasteful number, since it uses less digits than its factorization.

135278328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296691 (or 296687 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 135278328 is about 11630.9212016934. The cubic root of 135278328 is about 513.3450858425.

The spelling of 135278328 in words is "one hundred thirty-five million, two hundred seventy-eight thousand, three hundred twenty-eight".