134308081 has 2 divisors, whose sum is σ = 134308082. Its totient is φ = 134308080.

The previous prime is 134308079. The next prime is 134308117. The reversal of 134308081 is 180803431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134189056 + 119025 = 11584^2 + 345^2 .

It is an emirp because it is prime and its reverse (180803431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134308081 - 2¹ = 134308079 is a prime.

It is a super-2 number, since 2×134308081² = 36077321243805122, which contains 22 as substring.

Together with 134308079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (134308001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67154040 + 67154041.

It is an arithmetic number, because the mean of its divisors is an integer number (67154041).

Almost surely, 2^134308081 is an apocalyptic number.

It is an amenable number.

134308081 is a deficient number, since it is larger than the sum of its proper divisors (1).

134308081 is an equidigital number, since it uses as much as digits as its factorization.

134308081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 134308081 is about 11589.1363353789. The cubic root of 134308081 is about 512.1148640097.

The spelling of 134308081 in words is "one hundred thirty-four million, three hundred eight thousand, eighty-one".