134842871 has 2 divisors, whose sum is σ = 134842872. Its totient is φ = 134842870.

The previous prime is 134842847. The next prime is 134842909. The reversal of 134842871 is 178248431.

It is an a-pointer prime, because the next prime (134842909) can be obtained adding 134842871 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134842871 - 2¹⁴ = 134826487 is a 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 (134842831) 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, 67421435 + 67421436.

It is an arithmetic number, because the mean of its divisors is an integer number (67421436).

Almost surely, 2^134842871 is an apocalyptic number.

134842871 is a deficient number, since it is larger than the sum of its proper divisors (1).

134842871 is an equidigital number, since it uses as much as digits as its factorization.

134842871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 38.

The square root of 134842871 is about 11612.1863143854. The cubic root of 134842871 is about 512.7936794688.

The spelling of 134842871 in words is "one hundred thirty-four million, eight hundred forty-two thousand, eight hundred seventy-one".