2138269 has 8 divisors (see below), whose sum is σ = 2455488. Its totient is φ = 1824000.

The previous prime is 2138263. The next prime is 2138291. The reversal of 2138269 is 9628312.

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

It is a cyclic number.

It is not a de Polignac number, because 2138269 - 2¹¹ = 2136221 is a prime.

It is a super-2 number, since 2×2138269² = 9144388632722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹² + 1 + 3¹³ + 8⁴ + 2¹² + 6³ + 9⁶ .

2138269 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2138269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149 + ... + 2365.

It is an arithmetic number, because the mean of its divisors is an integer number (306936).

2^2138269 is an apocalyptic number.

It is an amenable number.

2138269 is a deficient number, since it is larger than the sum of its proper divisors (317219).

2138269 is a wasteful number, since it uses less digits than its factorization.

2138269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475.

The product of its digits is 5184, while the sum is 31.

The square root of 2138269 is about 1462.2821205226. The cubic root of 2138269 is about 128.8311192698.

The spelling of 2138269 in words is "two million, one hundred thirty-eight thousand, two hundred sixty-nine".