183980140 has 12 divisors (see below), whose sum is σ = 386358336. Its totient is φ = 73592048.

The previous prime is 183980131. The next prime is 183980149. The reversal of 183980140 is 41089381.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (183980131) and next prime (183980149).

It is a junction number, because it is equal to n+sod(n) for n = 183980096 and 183980105.

It is not an unprimeable number, because it can be changed into a prime (183980149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4599484 + ... + 4599523.

It is an arithmetic number, because the mean of its divisors is an integer number (32196528).

Almost surely, 2^183980140 is an apocalyptic number.

183980140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

183980140 is an abundant number, since it is smaller than the sum of its proper divisors (202378196).

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

183980140 is a wasteful number, since it uses less digits than its factorization.

183980140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9199016 (or 9199014 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 183980140 is about 13563.9278971838. The cubic root of 183980140 is about 568.7529317564.

The spelling of 183980140 in words is "one hundred eighty-three million, nine hundred eighty thousand, one hundred forty".