6549136 has 40 divisors (see below), whose sum is σ = 13999104. Its totient is φ = 2943360.

The previous prime is 6549133. The next prime is 6549139. The reversal of 6549136 is 6319456.

It is an interprime number because it is at equal distance from previous prime (6549133) and next prime (6549139).

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6549133) 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, 22206 + ... + 22498.

Almost surely, 2^6549136 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 6549136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6999552).

6549136 is an abundant number, since it is smaller than the sum of its proper divisors (7449968).

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

6549136 is a wasteful number, since it uses less digits than its factorization.

6549136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 433 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 6549136 is about 2559.1279764795. The cubic root of 6549136 is about 187.0946359619.

The spelling of 6549136 in words is "six million, five hundred forty-nine thousand, one hundred thirty-six".