140440112223421 has 8 divisors (see below), whose sum is σ = 141924042574560. Its totient is φ = 138959356056528.

The previous prime is 140440112223413. The next prime is 140440112223457. The reversal of 140440112223421 is 124322211044041.

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

It is a cyclic number.

It is not a de Polignac number, because 140440112223421 - 2³ = 140440112223413 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 (140440112223401) 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, 793457106 + ... + 793634083.

It is an arithmetic number, because the mean of its divisors is an integer number (17740505321820).

Almost surely, 2^{140440112223421} is an apocalyptic number.

It is an amenable number.

140440112223421 is a deficient number, since it is larger than the sum of its proper divisors (1483930351139).

140440112223421 is a wasteful number, since it uses less digits than its factorization.

140440112223421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587092123.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 140440112223421 its reverse (124322211044041), we get a palindrome (264762323267462).

The spelling of 140440112223421 in words is "one hundred forty trillion, four hundred forty billion, one hundred twelve million, two hundred twenty-three thousand, four hundred twenty-one".