186012137 has 2 divisors, whose sum is σ = 186012138. Its totient is φ = 186012136.

The previous prime is 186012133. The next prime is 186012143. The reversal of 186012137 is 731210681.

186012137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183765136 + 2247001 = 13556^2 + 1499^2 .

It is a cyclic number.

It is not a de Polignac number, because 186012137 - 2² = 186012133 is a prime.

It is a super-2 number, since 2×186012137² = 69201030222613538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (186012131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93006068 + 93006069.

It is an arithmetic number, because the mean of its divisors is an integer number (93006069).

Almost surely, 2^186012137 is an apocalyptic number.

It is an amenable number.

186012137 is a deficient number, since it is larger than the sum of its proper divisors (1).

186012137 is an equidigital number, since it uses as much as digits as its factorization.

186012137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 186012137 is about 13638.6266537361. The cubic root of 186012137 is about 570.8391630617.

The spelling of 186012137 in words is "one hundred eighty-six million, twelve thousand, one hundred thirty-seven".