140056664 has 16 divisors (see below), whose sum is σ = 286479720. Its totient is φ = 63662080.

The previous prime is 140056661. The next prime is 140056681. The reversal of 140056664 is 466650041.

It is a self number, because there is not a number n which added to its sum of digits gives 140056664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140056661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795689 + ... + 795864.

Almost surely, 2^140056664 is an apocalyptic number.

It is an amenable number.

140056664 is an abundant number, since it is smaller than the sum of its proper divisors (146423056).

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

140056664 is a wasteful number, since it uses less digits than its factorization.

140056664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591570 (or 1591566 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 140056664 is about 11834.5538149945. The cubic root of 140056664 is about 519.3194548992.

The spelling of 140056664 in words is "one hundred forty million, fifty-six thousand, six hundred sixty-four".