135270256 has 60 divisors (see below), whose sum is σ = 291215736. Its totient is φ = 60818560.

The previous prime is 135270251. The next prime is 135270263. The reversal of 135270256 is 652072531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135270251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206826 + ... + 207478.

Almost surely, 2^135270256 is an apocalyptic number.

135270256 is a gapful number since it is divisible by the number (16) 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 135270256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145607868).

135270256 is an abundant number, since it is smaller than the sum of its proper divisors (155945480).

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

135270256 is a wasteful number, since it uses less digits than its factorization.

135270256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 135270256 is about 11630.5741904688. The cubic root of 135270256 is about 513.3348752788.

The spelling of 135270256 in words is "one hundred thirty-five million, two hundred seventy thousand, two hundred fifty-six".