11440138 has 8 divisors (see below), whose sum is σ = 17184132. Its totient is φ = 5712096.

The previous prime is 11440127. The next prime is 11440151. The reversal of 11440138 is 83104411.

It can be written as a sum of positive squares in 2 ways, for example, as 10712529 + 727609 = 3273^2 + 853^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1995 + ... + 5182.

Almost surely, 2^11440138 is an apocalyptic number.

11440138 is a deficient number, since it is larger than the sum of its proper divisors (5743994).

11440138 is an equidigital number, since it uses as much as digits as its factorization.

11440138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7976.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 11440138 is about 3382.3273052737. The cubic root of 11440138 is about 225.3255402889.

Adding to 11440138 its reverse (83104411), we get a palindrome (94544549).

The spelling of 11440138 in words is "eleven million, four hundred forty thousand, one hundred thirty-eight".