2138118 has 16 divisors (see below), whose sum is σ = 4291056. Its totient is φ = 710240.

The previous prime is 2138093. The next prime is 2138137. The reversal of 2138118 is 8118312.

It is a d-powerful number, because it can be written as 2¹³ + 1 + 3 + 8⁵ + 1 + 1 + 8⁷ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2380 + ... + 3152.

It is an arithmetic number, because the mean of its divisors is an integer number (268191).

2^2138118 is an apocalyptic number.

2138118 is an abundant number, since it is smaller than the sum of its proper divisors (2152938).

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

2138118 is a wasteful number, since it uses less digits than its factorization.

2138118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239.

The product of its digits is 384, while the sum is 24.

The square root of 2138118 is about 1462.2304879874. The cubic root of 2138118 is about 128.8280866054.

The spelling of 2138118 in words is "two million, one hundred thirty-eight thousand, one hundred eighteen".