6546138 has 8 divisors (see below), whose sum is σ = 13092288. Its totient is φ = 2182044.

The previous prime is 6546131. The next prime is 6546149. The reversal of 6546138 is 8316456.

It is a sphenic number, since it is the product of 3 distinct primes.

6546138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 6546099 and 6546108.

It is not an unprimeable number, because it can be changed into a prime (6546131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545506 + ... + 545517.

It is an arithmetic number, because the mean of its divisors is an integer number (1636536).

Almost surely, 2^6546138 is an apocalyptic number.

6546138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6546138 is a wasteful number, since it uses less digits than its factorization.

6546138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091028.

The product of its digits is 17280, while the sum is 33.

The square root of 6546138 is about 2558.5421630296. The cubic root of 6546138 is about 187.0660828149.

The spelling of 6546138 in words is "six million, five hundred forty-six thousand, one hundred thirty-eight".