140290868 has 24 divisors (see below), whose sum is σ = 260366400. Its totient is φ = 65913728.

The previous prime is 140290847. The next prime is 140290873. The reversal of 140290868 is 868092041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55823 + ... + 58281.

It is an arithmetic number, because the mean of its divisors is an integer number (10848600).

Almost surely, 2^140290868 is an apocalyptic number.

It is an amenable number.

140290868 is a deficient number, since it is larger than the sum of its proper divisors (120075532).

140290868 is a wasteful number, since it uses less digits than its factorization.

140290868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319 (or 3317 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 140290868 is about 11844.4446049614. Note that the first 3 decimals coincide. The cubic root of 140290868 is about 519.6087639021.

The spelling of 140290868 in words is "one hundred forty million, two hundred ninety thousand, eight hundred sixty-eight".