1440315013 has 8 divisors (see below), whose sum is σ = 1464075360. Its totient is φ = 1416621360.

The previous prime is 1440315011. The next prime is 1440315049. The reversal of 1440315013 is 3105130441.

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 1440315013 - 2¹ = 1440315011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440315011) 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 7 ways as a sum of consecutive naturals, for example, 27843 + ... + 60463.

It is an arithmetic number, because the mean of its divisors is an integer number (183009420).

Almost surely, 2^1440315013 is an apocalyptic number.

It is an amenable number.

1440315013 is a deficient number, since it is larger than the sum of its proper divisors (23760347).

1440315013 is an equidigital number, since it uses as much as digits as its factorization.

1440315013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33347.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1440315013 is about 37951.4823557658. The cubic root of 1440315013 is about 1129.3255727042.

Adding to 1440315013 its reverse (3105130441), we get a palindrome (4545445454).

The spelling of 1440315013 in words is "one billion, four hundred forty million, three hundred fifteen thousand, thirteen".