140968646 has 24 divisors (see below), whose sum is σ = 261684144. Its totient is φ = 55766880.

The previous prime is 140968571. The next prime is 140968649. The reversal of 140968646 is 646869041.

It is a junction number, because it is equal to n+sod(n) for n = 140968597 and 140968606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140968649) 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 11 ways as a sum of consecutive naturals, for example, 27425 + ... + 32156.

It is an arithmetic number, because the mean of its divisors is an integer number (10903506).

Almost surely, 2^140968646 is an apocalyptic number.

140968646 is a deficient number, since it is larger than the sum of its proper divisors (120715498).

140968646 is a wasteful number, since it uses less digits than its factorization.

140968646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59616 (or 59603 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 140968646 is about 11873.0217720680. The cubic root of 140968646 is about 520.4442037695. Note that the first 3 decimals are identical.

The spelling of 140968646 in words is "one hundred forty million, nine hundred sixty-eight thousand, six hundred forty-six".