1440014 has 4 divisors (see below), whose sum is σ = 2160024. Its totient is φ = 720006.

The previous prime is 1440011. The next prime is 1440017. The reversal of 1440014 is 4100441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4100441 = 59 ⋅69499.

It is an interprime number because it is at equal distance from previous prime (1440011) and next prime (1440017).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360002 + ... + 360005.

It is an arithmetic number, because the mean of its divisors is an integer number (540006).

2^1440014 is an apocalyptic number.

1440014 is a deficient number, since it is larger than the sum of its proper divisors (720010).

1440014 is an equidigital number, since it uses as much as digits as its factorization.

1440014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720009.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1440014 is about 1200.0058333192. The cubic root of 1440014 is about 112.9246894230.

Subtracting from 1440014 its sum of digits (14), we obtain a square (1440000 = 1200²).

Adding to 1440014 its reverse (4100441), we get a palindrome (5540455).

The spelling of 1440014 in words is "one million, four hundred forty thousand, fourteen".