1440134011209 has 4 divisors (see below), whose sum is σ = 1920178681616. Its totient is φ = 960089340804.

The previous prime is 1440134011207. The next prime is 1440134011213. The reversal of 1440134011209 is 9021104310441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1440134011209 - 2¹ = 1440134011207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1440134011207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240022335199 + ... + 240022335204.

It is an arithmetic number, because the mean of its divisors is an integer number (480044670404).

Almost surely, 2^{1440134011209} is an apocalyptic number.

It is an amenable number.

1440134011209 is a deficient number, since it is larger than the sum of its proper divisors (480044670407).

1440134011209 is an equidigital number, since it uses as much as digits as its factorization.

1440134011209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480044670406.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 1440134011209 in words is "one trillion, four hundred forty billion, one hundred thirty-four million, eleven thousand, two hundred nine".