140808 has 16 divisors (see below), whose sum is σ = 352080. Its totient is φ = 46928.
The previous prime is 140797. The next prime is 140813. The reversal of 140808 is 808041.
It is an unprimeable number.
140808 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2910 + ... + 2957.
It is an arithmetic number, because the mean of its divisors is an integer number (22005).
2140808 is an apocalyptic number.
It is an amenable number.
140808 is an abundant number, since it is smaller than the sum of its proper divisors (211272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140808 is a wasteful number, since it uses less digits than its factorization.
140808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5876 (or 5872 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 21.
The square root of 140808 is about 375.2439206703. The cubic root of 140808 is about 52.0246431519.
Adding to 140808 its reverse (808041), we get a palindrome (948849).
The spelling of 140808 in words is "one hundred forty thousand, eight hundred eight".
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