1440120320134 has 8 divisors (see below), whose sum is σ = 2160190034280. Its totient is φ = 720056975376.

The previous prime is 1440120320123. The next prime is 1440120320167. The reversal of 1440120320134 is 4310230210441.

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

It is a junction number, because it is equal to n+sod(n) for n = 1440120320099 and 1440120320108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979999 + ... + 1959754.

It is an arithmetic number, because the mean of its divisors is an integer number (270023754285).

Almost surely, 2^{1440120320134} is an apocalyptic number.

1440120320134 is a deficient number, since it is larger than the sum of its proper divisors (720069714146).

1440120320134 is a wasteful number, since it uses less digits than its factorization.

1440120320134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3184694.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1440120320134 its reverse (4310230210441), we get a palindrome (5750350530575).

The spelling of 1440120320134 in words is "one trillion, four hundred forty billion, one hundred twenty million, three hundred twenty thousand, one hundred thirty-four".