1440054313 has 4 divisors (see below), whose sum is σ = 1440133828. Its totient is φ = 1439974800.

The previous prime is 1440054277. The next prime is 1440054347. The reversal of 1440054313 is 3134500441.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 951290649 + 488763664 = 30843^2 + 22108^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440054313 - 2¹³ = 1440046121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1440054373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2095 + ... + 53707.

It is an arithmetic number, because the mean of its divisors is an integer number (360033457).

Almost surely, 2^1440054313 is an apocalyptic number.

It is an amenable number.

1440054313 is a deficient number, since it is larger than the sum of its proper divisors (79515).

1440054313 is an equidigital number, since it uses as much as digits as its factorization.

1440054313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79514.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1440054313 is about 37948.0475518834. The cubic root of 1440054313 is about 1129.2574318370.

Adding to 1440054313 its reverse (3134500441), we get a palindrome (4574554754).

The spelling of 1440054313 in words is "one billion, four hundred forty million, fifty-four thousand, three hundred thirteen".