6345136 has 40 divisors (see below), whose sum is σ = 14172704. Its totient is φ = 2695680.

The previous prime is 6345133. The next prime is 6345137. The reversal of 6345136 is 6315436.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (6345133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20116 + ... + 20428.

Almost surely, 2^6345136 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 6345136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7086352).

6345136 is an abundant number, since it is smaller than the sum of its proper divisors (7827568).

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

6345136 is a wasteful number, since it uses less digits than its factorization.

6345136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 503 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 6345136 is about 2518.9553390245. The cubic root of 6345136 is about 185.1314964796.

The spelling of 6345136 in words is "six million, three hundred forty-five thousand, one hundred thirty-six".