2418139 has 4 divisors (see below), whose sum is σ = 2477160. Its totient is φ = 2359120.

The previous prime is 2418137. The next prime is 2418161. The reversal of 2418139 is 9318142.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2418139 - 2¹ = 2418137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2418137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29449 + ... + 29530.

It is an arithmetic number, because the mean of its divisors is an integer number (619290).

2^2418139 is an apocalyptic number.

2418139 is a deficient number, since it is larger than the sum of its proper divisors (59021).

2418139 is an equidigital number, since it uses as much as digits as its factorization.

2418139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59020.

The product of its digits is 1728, while the sum is 28.

The square root of 2418139 is about 1555.0366555165. The cubic root of 2418139 is about 134.2230450318.

The spelling of 2418139 in words is "two million, four hundred eighteen thousand, one hundred thirty-nine".