135428255 has 8 divisors (see below), whose sum is σ = 169579872. Its totient is φ = 103631968.

The previous prime is 135428233. The next prime is 135428261. The reversal of 135428255 is 552824531.

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

It is a cyclic number.

It is not a de Polignac number, because 135428255 - 2⁶ = 135428191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588704 + ... + 588933.

It is an arithmetic number, because the mean of its divisors is an integer number (21197484).

Almost surely, 2^135428255 is an apocalyptic number.

135428255 is a deficient number, since it is larger than the sum of its proper divisors (34151617).

135428255 is a wasteful number, since it uses less digits than its factorization.

135428255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177665.

The product of its digits is 48000, while the sum is 35.

The square root of 135428255 is about 11637.3646071608. The cubic root of 135428255 is about 513.5346601188.

The spelling of 135428255 in words is "one hundred thirty-five million, four hundred twenty-eight thousand, two hundred fifty-five".