134500081 has 2 divisors, whose sum is σ = 134500082. Its totient is φ = 134500080.

The previous prime is 134500043. The next prime is 134500123. The reversal of 134500081 is 180005431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116985856 + 17514225 = 10816^2 + 4185^2 .

It is a cyclic number.

It is not a de Polignac number, because 134500081 - 2²¹ = 132402929 is a prime.

It is a super-2 number, since 2×134500081² = 36180543578013122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134500781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67250040 + 67250041.

It is an arithmetic number, because the mean of its divisors is an integer number (67250041).

Almost surely, 2^134500081 is an apocalyptic number.

It is an amenable number.

134500081 is a deficient number, since it is larger than the sum of its proper divisors (1).

134500081 is an equidigital number, since it uses as much as digits as its factorization.

134500081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 134500081 is about 11597.4169969006. The cubic root of 134500081 is about 512.3587789362.

The spelling of 134500081 in words is "one hundred thirty-four million, five hundred thousand, eighty-one".