183668140 has 12 divisors (see below), whose sum is σ = 385703136. Its totient is φ = 73467248.

The previous prime is 183668131. The next prime is 183668159. The reversal of 183668140 is 41866381.

It is a self number, because there is not a number n which added to its sum of digits gives 183668140.

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, 4591684 + ... + 4591723.

It is an arithmetic number, because the mean of its divisors is an integer number (32141928).

Almost surely, 2^183668140 is an apocalyptic number.

183668140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

183668140 is an abundant number, since it is smaller than the sum of its proper divisors (202034996).

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

183668140 is a wasteful number, since it uses less digits than its factorization.

183668140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9183416 (or 9183414 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 183668140 is about 13552.4219237744. The cubic root of 183668140 is about 568.4312460960.

The spelling of 183668140 in words is "one hundred eighty-three million, six hundred sixty-eight thousand, one hundred forty".