1440014089 has 2 divisors, whose sum is σ = 1440014090. Its totient is φ = 1440014088.

The previous prime is 1440014083. The next prime is 1440014117. The reversal of 1440014089 is 9804100441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 746218489 + 693795600 = 27317^2 + 26340^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440014089 - 2⁷ = 1440013961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1440014089.

It is not a weakly prime, because it can be changed into another prime (1440014083) 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 as a sum of consecutive naturals, namely, 720007044 + 720007045.

It is an arithmetic number, because the mean of its divisors is an integer number (720007045).

Almost surely, 2^1440014089 is an apocalyptic number.

It is an amenable number.

1440014089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440014089 is an equidigital number, since it uses as much as digits as its factorization.

1440014089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1440014089 is about 37947.5175604413. The cubic root of 1440014089 is about 1129.2469174943.

The spelling of 1440014089 in words is "one billion, four hundred forty million, fourteen thousand, eighty-nine".