140043404 has 12 divisors (see below), whose sum is σ = 245183904. Its totient is φ = 69990864.

The previous prime is 140043401. The next prime is 140043427. The reversal of 140043404 is 404340041.

It is a super-2 number, since 2×140043404² = 39224310007814432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140043401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4742 + ... + 17394.

It is an arithmetic number, because the mean of its divisors is an integer number (20431992).

Almost surely, 2^140043404 is an apocalyptic number.

It is an amenable number.

140043404 is a deficient number, since it is larger than the sum of its proper divisors (105140500).

140043404 is a wasteful number, since it uses less digits than its factorization.

140043404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15424 (or 15422 counting only the distinct ones).

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

The square root of 140043404 is about 11833.9935778249. The cubic root of 140043404 is about 519.3030653582.

Adding to 140043404 its reverse (404340041), we get a palindrome (544383445).

The spelling of 140043404 in words is "one hundred forty million, forty-three thousand, four hundred four".