67134070187 has 2 divisors, whose sum is σ = 67134070188. Its totient is φ = 67134070186.

The previous prime is 67134070151. The next prime is 67134070189. The reversal of 67134070187 is 78107043176.

67134070187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67134070187 - 2⁶ = 67134070123 is a prime.

Together with 67134070189, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67134070189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33567035093 + 33567035094.

It is an arithmetic number, because the mean of its divisors is an integer number (33567035094).

Almost surely, 2^67134070187 is an apocalyptic number.

67134070187 is a deficient number, since it is larger than the sum of its proper divisors (1).

67134070187 is an equidigital number, since it uses as much as digits as its factorization.

67134070187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 44.

The spelling of 67134070187 in words is "sixty-seven billion, one hundred thirty-four million, seventy thousand, one hundred eighty-seven".