135126258 has 16 divisors (see below), whose sum is σ = 270884736. Its totient is φ = 44936720.

The previous prime is 135126239. The next prime is 135126263. The reversal of 135126258 is 852621531.

135126258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23541 + ... + 28712.

It is an arithmetic number, because the mean of its divisors is an integer number (16930296).

Almost surely, 2^135126258 is an apocalyptic number.

135126258 is an abundant number, since it is smaller than the sum of its proper divisors (135758478).

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

135126258 is a wasteful number, since it uses less digits than its factorization.

135126258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52689.

The product of its digits is 14400, while the sum is 33.

The square root of 135126258 is about 11624.3820480918. The cubic root of 135126258 is about 513.1526587231.

Adding to 135126258 its reverse (852621531), we get a palindrome (987747789).

The spelling of 135126258 in words is "one hundred thirty-five million, one hundred twenty-six thousand, two hundred fifty-eight".