6505136 has 40 divisors (see below), whose sum is σ = 14356224. Its totient is φ = 2826560.

The previous prime is 6505123. The next prime is 6505141. The reversal of 6505136 is 6315056.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3245 + ... + 4851.

Almost surely, 2^6505136 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 6505136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7178112).

6505136 is an abundant number, since it is smaller than the sum of its proper divisors (7851088).

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

6505136 is a wasteful number, since it uses less digits than its factorization.

6505136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649 (or 1643 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 6505136 is about 2550.5168103739. The cubic root of 6505136 is about 186.6746992008.

The spelling of 6505136 in words is "six million, five hundred five thousand, one hundred thirty-six".