140066808 has 64 divisors (see below), whose sum is σ = 423740160. Its totient is φ = 37664256.

The previous prime is 140066807. The next prime is 140066809. The reversal of 140066808 is 808660041.

It is an interprime number because it is at equal distance from previous prime (140066807) and next prime (140066809).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140066807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21666 + ... + 27377.

It is an arithmetic number, because the mean of its divisors is an integer number (6620940).

Almost surely, 2^140066808 is an apocalyptic number.

It is an amenable number.

140066808 is an abundant number, since it is smaller than the sum of its proper divisors (283673352).

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

140066808 is a wasteful number, since it uses less digits than its factorization.

140066808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49076 (or 49072 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 140066808 is about 11834.9823827499. The cubic root of 140066808 is about 519.3319923233.

The spelling of 140066808 in words is "one hundred forty million, sixty-six thousand, eight hundred eight".