134393671 has 2 divisors, whose sum is σ = 134393672. Its totient is φ = 134393670.

The previous prime is 134393659. The next prime is 134393689. The reversal of 134393671 is 176393431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134393671 - 2⁹ = 134393159 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134393671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104393671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67196835 + 67196836.

It is an arithmetic number, because the mean of its divisors is an integer number (67196836).

Almost surely, 2^134393671 is an apocalyptic number.

134393671 is a deficient number, since it is larger than the sum of its proper divisors (1).

134393671 is an equidigital number, since it uses as much as digits as its factorization.

134393671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 37.

The square root of 134393671 is about 11592.8284296801. The cubic root of 134393671 is about 512.2236254069.

The spelling of 134393671 in words is "one hundred thirty-four million, three hundred ninety-three thousand, six hundred seventy-one".