134847473 has 2 divisors, whose sum is σ = 134847474. Its totient is φ = 134847472.

The previous prime is 134847469. The next prime is 134847481. The reversal of 134847473 is 374748431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125708944 + 9138529 = 11212^2 + 3023^2 .

It is a cyclic number.

It is not a de Polignac number, because 134847473 - 2² = 134847469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134847473.

It is not a weakly prime, because it can be changed into another prime (134847443) 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, 67423736 + 67423737.

It is an arithmetic number, because the mean of its divisors is an integer number (67423737).

Almost surely, 2^134847473 is an apocalyptic number.

It is an amenable number.

134847473 is a deficient number, since it is larger than the sum of its proper divisors (1).

134847473 is an equidigital number, since it uses as much as digits as its factorization.

134847473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 41.

The square root of 134847473 is about 11612.3844665943. The cubic root of 134847473 is about 512.7995130479.

The spelling of 134847473 in words is "one hundred thirty-four million, eight hundred forty-seven thousand, four hundred seventy-three".