135255560 has 32 divisors (see below), whose sum is σ = 331992000. Its totient is φ = 49183680.

The previous prime is 135255559. The next prime is 135255569. The reversal of 135255560 is 65552531.

It is not an unprimeable number, because it can be changed into a prime (135255569) 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, 153260 + ... + 154139.

It is an arithmetic number, because the mean of its divisors is an integer number (10374750).

Almost surely, 2^135255560 is an apocalyptic number.

135255560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135255560 is an abundant number, since it is smaller than the sum of its proper divisors (196736440).

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

135255560 is a wasteful number, since it uses less digits than its factorization.

135255560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307421 (or 307417 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 135255560 is about 11629.9423902270. The cubic root of 135255560 is about 513.3162847358.

The spelling of 135255560 in words is "one hundred thirty-five million, two hundred fifty-five thousand, five hundred sixty".