140143440305 has 16 divisors (see below), whose sum is σ = 183509323200. Its totient is φ = 101895380160.

The previous prime is 140143440251. The next prime is 140143440329. The reversal of 140143440305 is 503044341041.

It is a happy number.

It is not a de Polignac number, because 140143440305 - 2⁸ = 140143440049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129290 + ... + 544979.

It is an arithmetic number, because the mean of its divisors is an integer number (11469332700).

Almost surely, 2^140143440305 is an apocalyptic number.

It is an amenable number.

140143440305 is a deficient number, since it is larger than the sum of its proper divisors (43365882895).

140143440305 is a wasteful number, since it uses less digits than its factorization.

140143440305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678064.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 140143440305 its reverse (503044341041), we get a palindrome (643187781346).

The spelling of 140143440305 in words is "one hundred forty billion, one hundred forty-three million, four hundred forty thousand, three hundred five".