140663012 has 12 divisors (see below), whose sum is σ = 281326080. Its totient is φ = 60284136.

The previous prime is 140662997. The next prime is 140663053. The reversal of 140663012 is 210366041.

It is a happy number.

140663012 is an admirable number.

It is an unprimeable number.

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, 2511812 + ... + 2511867.

It is an arithmetic number, because the mean of its divisors is an integer number (23443840).

Almost surely, 2^140663012 is an apocalyptic number.

It is an amenable number.

140663012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140663012 is a wasteful number, since it uses less digits than its factorization.

140663012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023690 (or 5023688 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 140663012 is about 11860.1438439844. The cubic root of 140663012 is about 520.0678067396.

The spelling of 140663012 in words is "one hundred forty million, six hundred sixty-three thousand, twelve".