2138199 has 16 divisors (see below), whose sum is σ = 3371520. Its totient is φ = 1179360.

The previous prime is 2138197. The next prime is 2138207. The reversal of 2138199 is 9918312.

It is not a de Polignac number, because 2138199 - 2¹ = 2138197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147 + ... + 2364.

It is an arithmetic number, because the mean of its divisors is an integer number (210720).

2^2138199 is an apocalyptic number.

2138199 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2138199 is a deficient number, since it is larger than the sum of its proper divisors (1233321).

2138199 is a wasteful number, since it uses less digits than its factorization.

2138199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550.

The product of its digits is 3888, while the sum is 33.

The square root of 2138199 is about 1462.2581851369. The cubic root of 2138199 is about 128.8297134166.

The spelling of 2138199 in words is "two million, one hundred thirty-eight thousand, one hundred ninety-nine".