6865138 has 8 divisors (see below), whose sum is σ = 11768832. Its totient is φ = 2942196.

The previous prime is 6865129. The next prime is 6865169. The reversal of 6865138 is 8315686.

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

It is a junction number, because it is equal to n+sod(n) for n = 6865097 and 6865106.

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, 245170 + ... + 245197.

It is an arithmetic number, because the mean of its divisors is an integer number (1471104).

Almost surely, 2^6865138 is an apocalyptic number.

6865138 is a deficient number, since it is larger than the sum of its proper divisors (4903694).

6865138 is a wasteful number, since it uses less digits than its factorization.

6865138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490376.

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

The square root of 6865138 is about 2620.1408359094. The cubic root of 6865138 is about 190.0566590026.

The spelling of 6865138 in words is "six million, eight hundred sixty-five thousand, one hundred thirty-eight".