842135 has 8 divisors (see below), whose sum is σ = 1154976. Its totient is φ = 577440.

The previous prime is 842113. The next prime is 842141. The reversal of 842135 is 531248.

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

It is not a de Polignac number, because 842135 - 2⁶ = 842071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 842135.

It is a congruent 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, 11996 + ... + 12065.

It is an arithmetic number, because the mean of its divisors is an integer number (144372).

2⁸⁴²¹³⁵ is an apocalyptic number.

842135 is a deficient number, since it is larger than the sum of its proper divisors (312841).

842135 is a wasteful number, since it uses less digits than its factorization.

842135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24073.

The product of its digits is 960, while the sum is 23.

The square root of 842135 is about 917.6791378254. The cubic root of 842135 is about 94.4337506795.

The spelling of 842135 in words is "eight hundred forty-two thousand, one hundred thirty-five".