135256896 has 168 divisors, whose sum is σ = 432694080. Its totient is φ = 40144896.

The previous prime is 135256873. The next prime is 135256903. The reversal of 135256896 is 698652531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185685 + ... + 186411.

It is an arithmetic number, because the mean of its divisors is an integer number (2575560).

Almost surely, 2^135256896 is an apocalyptic number.

135256896 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 135256896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216347040).

135256896 is an abundant number, since it is smaller than the sum of its proper divisors (297437184).

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

135256896 is a wasteful number, since it uses less digits than its factorization.

135256896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 768 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 135256896 is about 11629.9998280310. Note that the first 3 decimals coincide. The cubic root of 135256896 is about 513.3179748408.

The spelling of 135256896 in words is "one hundred thirty-five million, two hundred fifty-six thousand, eight hundred ninety-six".