2138259 has 8 divisors (see below), whose sum is σ = 2859472. Its totient is φ = 1421280.

The previous prime is 2138251. The next prime is 2138263. The reversal of 2138259 is 9528312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2138259 - 2³ = 2138251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2138251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417 + ... + 2109.

It is an arithmetic number, because the mean of its divisors is an integer number (357434).

2^2138259 is an apocalyptic number.

2138259 is a deficient number, since it is larger than the sum of its proper divisors (721213).

2138259 is a wasteful number, since it uses less digits than its factorization.

2138259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117.

The product of its digits is 4320, while the sum is 30.

The square root of 2138259 is about 1462.2787012058. The cubic root of 2138259 is about 128.8309184355.

The spelling of 2138259 in words is "two million, one hundred thirty-eight thousand, two hundred fifty-nine".