6138775 has 18 divisors (see below), whose sum is σ = 7946912. Its totient is φ = 4699200.

The previous prime is 6138739. The next prime is 6138779. The reversal of 6138775 is 5778316.

It is not a de Polignac number, because 6138775 - 2⁷ = 6138647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6138779) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 68931 + ... + 69019.

Almost surely, 2^6138775 is an apocalyptic number.

6138775 is a deficient number, since it is larger than the sum of its proper divisors (1808137).

6138775 is an equidigital number, since it uses as much as digits as its factorization.

6138775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 125 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 6138775 is about 2477.6551414594. The cubic root of 6138775 is about 183.1023445358.

The spelling of 6138775 in words is "six million, one hundred thirty-eight thousand, seven hundred seventy-five".