187011133 has 2 divisors, whose sum is σ = 187011134. Its totient is φ = 187011132.

The previous prime is 187011119. The next prime is 187011151. The reversal of 187011133 is 331110781.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176943204 + 10067929 = 13302^2 + 3173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-187011133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 187011098 and 187011107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (187011103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93505566 + 93505567.

It is an arithmetic number, because the mean of its divisors is an integer number (93505567).

Almost surely, 2^187011133 is an apocalyptic number.

It is an amenable number.

187011133 is a deficient number, since it is larger than the sum of its proper divisors (1).

187011133 is an equidigital number, since it uses as much as digits as its factorization.

187011133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 187011133 is about 13675.2013879138. The cubic root of 187011133 is about 571.8592545378.

The spelling of 187011133 in words is "one hundred eighty-seven million, eleven thousand, one hundred thirty-three".