140038664 has 32 divisors (see below), whose sum is σ = 277384800. Its totient is φ = 66096000.

The previous prime is 140038649. The next prime is 140038727. The reversal of 140038664 is 466830041.

140038664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140038664² = 39221654829809792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140038664.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45164 + ... + 48164.

It is an arithmetic number, because the mean of its divisors is an integer number (8668275).

Almost surely, 2^140038664 is an apocalyptic number.

It is an amenable number.

140038664 is a deficient number, since it is larger than the sum of its proper divisors (137346136).

140038664 is a wasteful number, since it uses less digits than its factorization.

140038664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333 (or 3329 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 140038664 is about 11833.7933056142. The cubic root of 140038664 is about 519.2972064025.

The spelling of 140038664 in words is "one hundred forty million, thirty-eight thousand, six hundred sixty-four".