188006131 has 2 divisors, whose sum is σ = 188006132. Its totient is φ = 188006130.

The previous prime is 188006129. The next prime is 188006153. The reversal of 188006131 is 131600881.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 188006131 - 2¹ = 188006129 is a prime.

It is a super-2 number, since 2×188006131² = 70692610587178322, which contains 22 as substring.

Together with 188006129, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 188006131.

It is not a weakly prime, because it can be changed into another prime (188006431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94003065 + 94003066.

It is an arithmetic number, because the mean of its divisors is an integer number (94003066).

Almost surely, 2^188006131 is an apocalyptic number.

188006131 is a deficient number, since it is larger than the sum of its proper divisors (1).

188006131 is an equidigital number, since it uses as much as digits as its factorization.

188006131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 188006131 is about 13711.5327735450. The cubic root of 188006131 is about 572.8716589028.

The spelling of 188006131 in words is "one hundred eighty-eight million, six thousand, one hundred thirty-one".