140555168 has 24 divisors (see below), whose sum is σ = 298004868. Its totient is φ = 64871424.

The previous prime is 140555159. The next prime is 140555171. The reversal of 140555168 is 861555041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 140469904 + 85264 = 11852^2 + 292^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168521 + ... + 169352.

Almost surely, 2^140555168 is an apocalyptic number.

It is an amenable number.

140555168 is an abundant number, since it is smaller than the sum of its proper divisors (157449700).

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

140555168 is a wasteful number, since it uses less digits than its factorization.

140555168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337896 (or 337888 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 140555168 is about 11855.5964843613. The cubic root of 140555168 is about 519.9348636361.

The spelling of 140555168 in words is "one hundred forty million, five hundred fifty-five thousand, one hundred sixty-eight".