140043124 has 24 divisors (see below), whose sum is σ = 264595688. Its totient is φ = 64471680.

The previous prime is 140043109. The next prime is 140043133. The reversal of 140043124 is 421340041.

It can be written as a sum of positive squares in 4 ways, for example, as 33292900 + 106750224 = 5770^2 + 10332^2 .

It is a super-2 number, since 2×140043124² = 39224153159358752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18694 + ... + 25090.

Almost surely, 2^140043124 is an apocalyptic number.

It is an amenable number.

140043124 is a deficient number, since it is larger than the sum of its proper divisors (124552564).

140043124 is a wasteful number, since it uses less digits than its factorization.

140043124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6835 (or 6833 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 140043124 is about 11833.9817474931. The cubic root of 140043124 is about 519.3027192633.

Adding to 140043124 its reverse (421340041), we get a palindrome (561383165).

The spelling of 140043124 in words is "one hundred forty million, forty-three thousand, one hundred twenty-four".