135142558 has 8 divisors (see below), whose sum is σ = 202767552. Its totient is φ = 67553376.

The previous prime is 135142529. The next prime is 135142561. The reversal of 135142558 is 855241531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4566 + ... + 17062.

It is an arithmetic number, because the mean of its divisors is an integer number (25345944).

Almost surely, 2^135142558 is an apocalyptic number.

135142558 is a deficient number, since it is larger than the sum of its proper divisors (67624994).

135142558 is a wasteful number, since it uses less digits than its factorization.

135142558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17906.

The product of its digits is 24000, while the sum is 34.

The square root of 135142558 is about 11625.0831394876. The cubic root of 135142558 is about 513.1732914069.

The spelling of 135142558 in words is "one hundred thirty-five million, one hundred forty-two thousand, five hundred fifty-eight".