140805868 has 24 divisors (see below), whose sum is σ = 289224992. Its totient is φ = 58713984.

The previous prime is 140805859. The next prime is 140805877. The reversal of 140805868 is 868508041.

It is an interprime number because it is at equal distance from previous prime (140805859) and next prime (140805877).

It is a self number, because there is not a number n which added to its sum of digits gives 140805868.

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, 66921 + ... + 68992.

Almost surely, 2^140805868 is an apocalyptic number.

It is an amenable number.

140805868 is an abundant number, since it is smaller than the sum of its proper divisors (148419124).

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

140805868 is a wasteful number, since it uses less digits than its factorization.

140805868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135961 (or 135959 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 140805868 is about 11866.1648395764. The cubic root of 140805868 is about 520.2438057904.

The spelling of 140805868 in words is "one hundred forty million, eight hundred five thousand, eight hundred sixty-eight".