134143871 has 2 divisors, whose sum is σ = 134143872. Its totient is φ = 134143870.

The previous prime is 134143837. The next prime is 134143903. The reversal of 134143871 is 178341431.

It is an a-pointer prime, because the next prime (134143903) can be obtained adding 134143871 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134143871 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134133871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67071935 + 67071936.

It is an arithmetic number, because the mean of its divisors is an integer number (67071936).

Almost surely, 2^134143871 is an apocalyptic number.

134143871 is a deficient number, since it is larger than the sum of its proper divisors (1).

134143871 is an equidigital number, since it uses as much as digits as its factorization.

134143871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 134143871 is about 11582.0495163853. The cubic root of 134143871 is about 511.9060687365.

The spelling of 134143871 in words is "one hundred thirty-four million, one hundred forty-three thousand, eight hundred seventy-one".