140168860 has 24 divisors (see below), whose sum is σ = 316997856. Its totient is φ = 51754560.

The previous prime is 140168857. The next prime is 140168881. The reversal of 140168860 is 68861041.

140168860 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269296 + ... + 269815.

It is an arithmetic number, because the mean of its divisors is an integer number (13208244).

Almost surely, 2^140168860 is an apocalyptic number.

140168860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140168860 is an abundant number, since it is smaller than the sum of its proper divisors (176828996).

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

140168860 is a wasteful number, since it uses less digits than its factorization.

140168860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539133 (or 539131 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 140168860 is about 11839.2930532190. The cubic root of 140168860 is about 519.4580892977.

The spelling of 140168860 in words is "one hundred forty million, one hundred sixty-eight thousand, eight hundred sixty".