188182013 has 2 divisors, whose sum is σ = 188182014. Its totient is φ = 188182012.

The previous prime is 188182009. The next prime is 188182039. The reversal of 188182013 is 310281881.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157301764 + 30880249 = 12542^2 + 5557^2 .

It is a cyclic number.

It is not a de Polignac number, because 188182013 - 2² = 188182009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (188182513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94091006 + 94091007.

It is an arithmetic number, because the mean of its divisors is an integer number (94091007).

Almost surely, 2^188182013 is an apocalyptic number.

It is an amenable number.

188182013 is a deficient number, since it is larger than the sum of its proper divisors (1).

188182013 is an equidigital number, since it uses as much as digits as its factorization.

188182013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 188182013 is about 13717.9449262636. The cubic root of 188182013 is about 573.0502460032.

The spelling of 188182013 in words is "one hundred eighty-eight million, one hundred eighty-two thousand, thirteen".