6905135 has 4 divisors (see below), whose sum is σ = 8286168. Its totient is φ = 5524104.

The previous prime is 6905123. The next prime is 6905137. The reversal of 6905135 is 5315096.

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 6905135 - 2⁶ = 6905071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6905098 and 6905107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6905137) 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, 690509 + ... + 690518.

It is an arithmetic number, because the mean of its divisors is an integer number (2071542).

Almost surely, 2^6905135 is an apocalyptic number.

6905135 is a deficient number, since it is larger than the sum of its proper divisors (1381033).

6905135 is a wasteful number, since it uses less digits than its factorization.

6905135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381032.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 6905135 is about 2627.7623560741. The cubic root of 6905135 is about 190.4250410625.

The spelling of 6905135 in words is "six million, nine hundred five thousand, one hundred thirty-five".