6147138 has 8 divisors (see below), whose sum is σ = 12294288. Its totient is φ = 2049044.

The previous prime is 6147133. The next prime is 6147139. The reversal of 6147138 is 8317416.

It is a happy number.

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

6147138 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6147131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512256 + ... + 512267.

It is an arithmetic number, because the mean of its divisors is an integer number (1536786).

Almost surely, 2^6147138 is an apocalyptic number.

6147138 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.

6147138 is a wasteful number, since it uses less digits than its factorization.

6147138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024528.

The product of its digits is 4032, while the sum is 30.

The square root of 6147138 is about 2479.3422514853. The cubic root of 6147138 is about 183.1854550405.

The spelling of 6147138 in words is "six million, one hundred forty-seven thousand, one hundred thirty-eight".