134645471 has 2 divisors, whose sum is σ = 134645472. Its totient is φ = 134645470.

The previous prime is 134645443. The next prime is 134645501. The reversal of 134645471 is 174546431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134645471 is a prime.

It is a super-3 number, since 3×134645471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134645171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67322735 + 67322736.

It is an arithmetic number, because the mean of its divisors is an integer number (67322736).

Almost surely, 2^134645471 is an apocalyptic number.

134645471 is a deficient number, since it is larger than the sum of its proper divisors (1).

134645471 is an equidigital number, since it uses as much as digits as its factorization.

134645471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 134645471 is about 11603.6835099894. The cubic root of 134645471 is about 512.5433265770.

The spelling of 134645471 in words is "one hundred thirty-four million, six hundred forty-five thousand, four hundred seventy-one".