134812871 has 2 divisors, whose sum is σ = 134812872. Its totient is φ = 134812870.

The previous prime is 134812861. The next prime is 134812897. The reversal of 134812871 is 178218431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134812871 - 2⁶ = 134812807 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134812861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67406435 + 67406436.

It is an arithmetic number, because the mean of its divisors is an integer number (67406436).

Almost surely, 2^134812871 is an apocalyptic number.

134812871 is a deficient number, since it is larger than the sum of its proper divisors (1).

134812871 is an equidigital number, since it uses as much as digits as its factorization.

134812871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 35.

The square root of 134812871 is about 11610.8944961187. The cubic root of 134812871 is about 512.7556476686.

The spelling of 134812871 in words is "one hundred thirty-four million, eight hundred twelve thousand, eight hundred seventy-one".