2138126 has 16 divisors (see below), whose sum is σ = 3413664. Its totient is φ = 1002144.

The previous prime is 2138093. The next prime is 2138137. The reversal of 2138126 is 6218312.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent 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, 2000 + ... + 2876.

It is an arithmetic number, because the mean of its divisors is an integer number (213354).

2^2138126 is an apocalyptic number.

2138126 is a deficient number, since it is larger than the sum of its proper divisors (1275538).

2138126 is a wasteful number, since it uses less digits than its factorization.

2138126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955.

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

The square root of 2138126 is about 1462.2332235317. The cubic root of 2138126 is about 128.8282472799.

The spelling of 2138126 in words is "two million, one hundred thirty-eight thousand, one hundred twenty-six".