135263856 has 160 divisors (see below), whose sum is σ = 434972160. Its totient is φ = 35269632.

The previous prime is 135263833. The next prime is 135263861. The reversal of 135263856 is 658362531.

135263856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 755575 + ... + 755753.

It is an arithmetic number, because the mean of its divisors is an integer number (2718576).

Almost surely, 2^135263856 is an apocalyptic number.

135263856 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 135263856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217486080).

135263856 is an abundant number, since it is smaller than the sum of its proper divisors (299708304).

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

135263856 is a wasteful number, since it uses less digits than its factorization.

135263856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 377 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 135263856 is about 11630.2990503254. The cubic root of 135263856 is about 513.3267793995.

The spelling of 135263856 in words is "one hundred thirty-five million, two hundred sixty-three thousand, eight hundred fifty-six".