1440113 has 8 divisors (see below), whose sum is σ = 1492128. Its totient is φ = 1389024.

The previous prime is 1440107. The next prime is 1440119. The reversal of 1440113 is 3110441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1440107) and next prime (1440119).

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 1440113 - 2¹⁰ = 1439089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1440119) 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 7 ways as a sum of consecutive naturals, for example, 4445 + ... + 4757.

It is an arithmetic number, because the mean of its divisors is an integer number (186516).

2^1440113 is an apocalyptic number.

It is an amenable number.

1440113 is a deficient number, since it is larger than the sum of its proper divisors (52015).

1440113 is a wasteful number, since it uses less digits than its factorization.

1440113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1440113 is about 1200.0470824097. The cubic root of 1440113 is about 112.9272771960.

Adding to 1440113 its reverse (3110441), we get a palindrome (4550554).

The spelling of 1440113 in words is "one million, four hundred forty thousand, one hundred thirteen".