6135820 has 48 divisors (see below), whose sum is σ = 13608000. Its totient is φ = 2320640.

The previous prime is 6135797. The next prime is 6135839. The reversal of 6135820 is 285316.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41106 + ... + 41254.

It is an arithmetic number, because the mean of its divisors is an integer number (283500).

Almost surely, 2^6135820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6135820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6804000).

6135820 is an abundant number, since it is smaller than the sum of its proper divisors (7472180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6135820 is a wasteful number, since it uses less digits than its factorization.

6135820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 6135820 is about 2477.0587397153. The cubic root of 6135820 is about 183.0729600485.

The spelling of 6135820 in words is "six million, one hundred thirty-five thousand, eight hundred twenty".