135268254 has 48 divisors (see below), whose sum is σ = 323616384. Its totient is φ = 40491600.

The previous prime is 135268247. The next prime is 135268279. The reversal of 135268254 is 452862531.

135268254 is a `hidden beast` number, since 1 + 3 + 526 + 82 + 54 = 666.

It is a Curzon number.

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, 12319 + ... + 20549.

It is an arithmetic number, because the mean of its divisors is an integer number (6742008).

Almost surely, 2^135268254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135268254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161808192).

135268254 is an abundant number, since it is smaller than the sum of its proper divisors (188348130).

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

135268254 is a wasteful number, since it uses less digits than its factorization.

135268254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8333 (or 8330 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 135268254 is about 11630.4881238923. The cubic root of 135268254 is about 513.3323428140.

The spelling of 135268254 in words is "one hundred thirty-five million, two hundred sixty-eight thousand, two hundred fifty-four".