135255553 has 8 divisors (see below), whose sum is σ = 145640160. Its totient is φ = 125140800.

The previous prime is 135255551. The next prime is 135255557. The reversal of 135255553 is 355552531.

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 135255553 - 2¹ = 135255551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135255551) 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, 66423 + ... + 68428.

It is an arithmetic number, because the mean of its divisors is an integer number (18205020).

Almost surely, 2^135255553 is an apocalyptic number.

It is an amenable number.

135255553 is a deficient number, since it is larger than the sum of its proper divisors (10384607).

135255553 is a wasteful number, since it uses less digits than its factorization.

135255553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134927.

The product of its digits is 56250, while the sum is 34.

The square root of 135255553 is about 11629.9420892797. The cubic root of 135255553 is about 513.3162758804.

The spelling of 135255553 in words is "one hundred thirty-five million, two hundred fifty-five thousand, five hundred fifty-three".