6000138 has 12 divisors (see below), whose sum is σ = 13000338. Its totient is φ = 2000040.

The previous prime is 6000121. The next prime is 6000149. The reversal of 6000138 is 8310006.

It can be written as a sum of positive squares in only one way, i.e., 5184729 + 815409 = 2277^2 + 903^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 333341 = 6000138 / (6 + 0 + 0 + 0 + 1 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 6000138.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 166653 + ... + 166688.

Almost surely, 2^6000138 is an apocalyptic number.

6000138 is an abundant number, since it is smaller than the sum of its proper divisors (7000200).

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

6000138 is a wasteful number, since it uses less digits than its factorization.

6000138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333349 (or 333346 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 6000138 is about 2449.5179117532. The cubic root of 6000138 is about 181.7134523983.

The spelling of 6000138 in words is "six million, one hundred thirty-eight", and thus it is an aban number.