135142875 has 72 divisors (see below), whose sum is σ = 280561632. Its totient is φ = 61308000.

The previous prime is 135142829. The next prime is 135142883. The reversal of 135142875 is 578241531.

135142875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135142875 - 2⁸ = 135142619 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1031560 + ... + 1031690.

Almost surely, 2^135142875 is an apocalyptic number.

135142875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135142875 is an abundant number, since it is smaller than the sum of its proper divisors (145418757).

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

135142875 is an equidigital number, since it uses as much as digits as its factorization.

135142875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 146 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 135142875 is about 11625.0967737907. The cubic root of 135142875 is about 513.1736926518.

The spelling of 135142875 in words is "one hundred thirty-five million, one hundred forty-two thousand, eight hundred seventy-five".