42857135 has 4 divisors (see below), whose sum is σ = 51428568. Its totient is φ = 34285704.

The previous prime is 42857093. The next prime is 42857147. The reversal of 42857135 is 53175824.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42857135 - 2¹⁴ = 42840751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42857095 and 42857104.

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, 4285709 + ... + 4285718.

It is an arithmetic number, because the mean of its divisors is an integer number (12857142).

Almost surely, 2^42857135 is an apocalyptic number.

42857135 is a deficient number, since it is larger than the sum of its proper divisors (8571433).

42857135 is an equidigital number, since it uses as much as digits as its factorization.

42857135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8571432.

The product of its digits is 33600, while the sum is 35.

The square root of 42857135 is about 6546.5361069805. The cubic root of 42857135 is about 349.9513810017.

The spelling of 42857135 in words is "forty-two million, eight hundred fifty-seven thousand, one hundred thirty-five".