134678017 has 2 divisors, whose sum is σ = 134678018. Its totient is φ = 134678016.

The previous prime is 134678003. The next prime is 134678081. The reversal of 134678017 is 710876431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130051216 + 4626801 = 11404^2 + 2151^2 .

It is a cyclic number.

It is not a de Polignac number, because 134678017 - 2¹¹ = 134675969 is a prime.

It is equal to p_7628167 and since 134678017 and 7628167 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (134678417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67339008 + 67339009.

It is an arithmetic number, because the mean of its divisors is an integer number (67339009).

Almost surely, 2^134678017 is an apocalyptic number.

It is an amenable number.

134678017 is a deficient number, since it is larger than the sum of its proper divisors (1).

134678017 is an equidigital number, since it uses as much as digits as its factorization.

134678017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 134678017 is about 11605.0858247580. The cubic root of 134678017 is about 512.5846199358.

The spelling of 134678017 in words is "one hundred thirty-four million, six hundred seventy-eight thousand, seventeen".