134945171 has 2 divisors, whose sum is σ = 134945172. Its totient is φ = 134945170.

The previous prime is 134945147. The next prime is 134945183. The reversal of 134945171 is 171549431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134945171 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134945101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67472585 + 67472586.

It is an arithmetic number, because the mean of its divisors is an integer number (67472586).

Almost surely, 2^134945171 is an apocalyptic number.

134945171 is a deficient number, since it is larger than the sum of its proper divisors (1).

134945171 is an equidigital number, since it uses as much as digits as its factorization.

134945171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 134945171 is about 11616.5903345173. The cubic root of 134945171 is about 512.9233255091.

The spelling of 134945171 in words is "one hundred thirty-four million, nine hundred forty-five thousand, one hundred seventy-one".