140440330023439 has 4 divisors (see below), whose sum is σ = 140468799586456. Its totient is φ = 140411860460424.

The previous prime is 140440330023373. The next prime is 140440330023463. The reversal of 140440330023439 is 934320033044041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140440330023439 - 2¹⁵ = 140440329990671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140440330023139) 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, 14234774109 + ... + 14234783974.

It is an arithmetic number, because the mean of its divisors is an integer number (35117199896614).

Almost surely, 2^{140440330023439} is an apocalyptic number.

140440330023439 is a deficient number, since it is larger than the sum of its proper divisors (28469563017).

140440330023439 is an equidigital number, since it uses as much as digits as its factorization.

140440330023439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28469563016.

The product of its (nonzero) digits is 373248, while the sum is 40.

The spelling of 140440330023439 in words is "one hundred forty trillion, four hundred forty billion, three hundred thirty million, twenty-three thousand, four hundred thirty-nine".