183980149 has 2 divisors, whose sum is σ = 183980150. Its totient is φ = 183980148.

The previous prime is 183980131. The next prime is 183980179. The reversal of 183980149 is 941089381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142635249 + 41344900 = 11943^2 + 6430^2 .

It is a cyclic number.

It is not a de Polignac number, because 183980149 - 2⁵ = 183980117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (183980179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91990074 + 91990075.

It is an arithmetic number, because the mean of its divisors is an integer number (91990075).

Almost surely, 2^183980149 is an apocalyptic number.

It is an amenable number.

183980149 is a deficient number, since it is larger than the sum of its proper divisors (1).

183980149 is an equidigital number, since it uses as much as digits as its factorization.

183980149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 183980149 is about 13563.9282289461. The cubic root of 183980149 is about 568.7529410306.

The spelling of 183980149 in words is "one hundred eighty-three million, nine hundred eighty thousand, one hundred forty-nine".