135255480 has 128 divisors (see below), whose sum is σ = 424120320. Its totient is φ = 34467840.

The previous prime is 135255473. The next prime is 135255493. The reversal of 135255480 is 84552531.

135255480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382984 + ... + 383336.

It is an arithmetic number, because the mean of its divisors is an integer number (3313440).

Almost surely, 2^135255480 is an apocalyptic number.

135255480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135255480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212060160).

135255480 is an abundant number, since it is smaller than the sum of its proper divisors (288864840).

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

135255480 is a wasteful number, since it uses less digits than its factorization.

135255480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 135255480 is about 11629.9389508286. The cubic root of 135255480 is about 513.3161835315.

The spelling of 135255480 in words is "one hundred thirty-five million, two hundred fifty-five thousand, four hundred eighty".