134459971 has 2 divisors, whose sum is σ = 134459972. Its totient is φ = 134459970.

The previous prime is 134459957. The next prime is 134459999. The reversal of 134459971 is 179954431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134459971 - 2²⁷ = 242243 is a prime.

It is not a weakly prime, because it can be changed into another prime (134459071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67229985 + 67229986.

It is an arithmetic number, because the mean of its divisors is an integer number (67229986).

Almost surely, 2^134459971 is an apocalyptic number.

134459971 is a deficient number, since it is larger than the sum of its proper divisors (1).

134459971 is an equidigital number, since it uses as much as digits as its factorization.

134459971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 134459971 is about 11595.6876035878. The cubic root of 134459971 is about 512.3078427740.

The spelling of 134459971 in words is "one hundred thirty-four million, four hundred fifty-nine thousand, nine hundred seventy-one".