6868135 has 4 divisors (see below), whose sum is σ = 8241768. Its totient is φ = 5494504.

The previous prime is 6868133. The next prime is 6868163. The reversal of 6868135 is 5318686.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5318686 = 2 ⋅2659343.

It is a cyclic number.

It is not a de Polignac number, because 6868135 - 2¹ = 6868133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6868094 and 6868103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6868133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686809 + ... + 686818.

It is an arithmetic number, because the mean of its divisors is an integer number (2060442).

Almost surely, 2^6868135 is an apocalyptic number.

6868135 is a deficient number, since it is larger than the sum of its proper divisors (1373633).

6868135 is a wasteful number, since it uses less digits than its factorization.

6868135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373632.

The product of its digits is 34560, while the sum is 37.

The square root of 6868135 is about 2620.7126893271. The cubic root of 6868135 is about 190.0843116121.

The spelling of 6868135 in words is "six million, eight hundred sixty-eight thousand, one hundred thirty-five".