2067138 has 24 divisors (see below), whose sum is σ = 4589676. Its totient is φ = 672000.

The previous prime is 2067137. The next prime is 2067187. The reversal of 2067138 is 8317602.

It can be written as a sum of positive squares in 2 ways, for example, as 1912689 + 154449 = 1383^2 + 393^2 .

It is a super-2 number, since 2×2067138² = 8546119022088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2067137) 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 11 ways as a sum of consecutive naturals, for example, 663 + ... + 2138.

2^2067138 is an apocalyptic number.

2067138 is an abundant number, since it is smaller than the sum of its proper divisors (2522538).

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

2067138 is a wasteful number, since it uses less digits than its factorization.

2067138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850 (or 2847 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2067138 is about 1437.7544992105. The cubic root of 2067138 is about 127.3864271214.

The spelling of 2067138 in words is "two million, sixty-seven thousand, one hundred thirty-eight".