1440536705121 has 8 divisors (see below), whose sum is σ = 1920806629984. Its totient is φ = 960312291840.

The previous prime is 1440536705117. The next prime is 1440536705173. The reversal of 1440536705121 is 1215076350441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1440536705121 - 2² = 1440536705117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1440536705121.

It is not an unprimeable number, because it can be changed into a prime (1440536705021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11303971 + ... + 11430696.

It is an arithmetic number, because the mean of its divisors is an integer number (240100828748).

Almost surely, 2^{1440536705121} is an apocalyptic number.

It is an amenable number.

1440536705121 is a deficient number, since it is larger than the sum of its proper divisors (480269924863).

1440536705121 is a wasteful number, since it uses less digits than its factorization.

1440536705121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22755791.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 1440536705121 in words is "one trillion, four hundred forty billion, five hundred thirty-six million, seven hundred five thousand, one hundred twenty-one".