140220443 has 12 divisors (see below), whose sum is σ = 159914328. Its totient is φ = 121925760.

The previous prime is 140220439. The next prime is 140220499. The reversal of 140220443 is 344022041.

It is not a de Polignac number, because 140220443 - 2² = 140220439 is a prime.

It is a super-3 number, since 3×140220443³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140220433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6230 + ... + 17867.

It is an arithmetic number, because the mean of its divisors is an integer number (13326194).

Almost surely, 2^140220443 is an apocalyptic number.

140220443 is a deficient number, since it is larger than the sum of its proper divisors (19693885).

140220443 is a wasteful number, since it uses less digits than its factorization.

140220443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24154 (or 24131 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 140220443 is about 11841.4713190549. The cubic root of 140220443 is about 519.5218027368.

Adding to 140220443 its reverse (344022041), we get a palindrome (484242484).

The spelling of 140220443 in words is "one hundred forty million, two hundred twenty thousand, four hundred forty-three".