140543056 has 20 divisors (see below), whose sum is σ = 272663104. Its totient is φ = 70178400.

The previous prime is 140543047. The next prime is 140543059. The reversal of 140543056 is 650345041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140543059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7561 + ... + 18391.

Almost surely, 2^140543056 is an apocalyptic number.

140543056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140543056 is a deficient number, since it is larger than the sum of its proper divisors (132120048).

140543056 is a wasteful number, since it uses less digits than its factorization.

140543056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11650 (or 11644 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 140543056 is about 11855.0856597496. The cubic root of 140543056 is about 519.9199284993.

Adding to 140543056 its reverse (650345041), we get a palindrome (790888097).

The spelling of 140543056 in words is "one hundred forty million, five hundred forty-three thousand, fifty-six".