140668888 has 16 divisors (see below), whose sum is σ = 264312000. Its totient is φ = 70185696.

The previous prime is 140668859. The next prime is 140668889. The reversal of 140668888 is 888866041.

140668888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140668889) 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, 14523 + ... + 22186.

It is an arithmetic number, because the mean of its divisors is an integer number (16519500).

Almost surely, 2^140668888 is an apocalyptic number.

It is an amenable number.

140668888 is a deficient number, since it is larger than the sum of its proper divisors (123643112).

140668888 is a wasteful number, since it uses less digits than its factorization.

140668888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37194 (or 37190 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 49.

The square root of 140668888 is about 11860.3915618330. The cubic root of 140668888 is about 520.0750483398.

The spelling of 140668888 in words is "one hundred forty million, six hundred sixty-eight thousand, eight hundred eighty-eight".