2126138 has 16 divisors (see below), whose sum is σ = 3837120. Its totient is φ = 863136.

The previous prime is 2126129. The next prime is 2126141. The reversal of 2126138 is 8316212.

It is a super-3 number, since 3×2126138³ = 28833383178387780216, which contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3731 + ... + 4262.

It is an arithmetic number, because the mean of its divisors is an integer number (239820).

2^2126138 is an apocalyptic number.

2126138 is a deficient number, since it is larger than the sum of its proper divisors (1710982).

2126138 is a wasteful number, since it uses less digits than its factorization.

2126138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8021.

The product of its digits is 576, while the sum is 23.

The square root of 2126138 is about 1458.1282522467. The cubic root of 2126138 is about 128.5870253860.

The spelling of 2126138 in words is "two million, one hundred twenty-six thousand, one hundred thirty-eight".