134471 has 2 divisors, whose sum is σ = 134472. Its totient is φ = 134470.

The previous prime is 134443. The next prime is 134489. The reversal of 134471 is 174431.

It is a strong prime.

It is an emirp because it is prime and its reverse (174431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134471 - 2¹⁰ = 133447 is a prime.

It is a super-3 number, since 3×134471³ = 7294695337707333, which contains 333 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67235 + 67236.

It is an arithmetic number, because the mean of its divisors is an integer number (67236).

2¹³⁴⁴⁷¹ is an apocalyptic number.

134471 is a deficient number, since it is larger than the sum of its proper divisors (1).

134471 is an equidigital number, since it uses as much as digits as its factorization.

134471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 20.

The square root of 134471 is about 366.7028769999. The cubic root of 134471 is about 51.2321849641.

The spelling of 134471 in words is "one hundred thirty-four thousand, four hundred seventy-one".