134475973 has 2 divisors, whose sum is σ = 134475974. Its totient is φ = 134475972.

The previous prime is 134475961. The next prime is 134476037. The reversal of 134475973 is 379574431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78180964 + 56295009 = 8842^2 + 7503^2 .

It is an emirp because it is prime and its reverse (379574431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134475973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134475373) 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, 67237986 + 67237987.

It is an arithmetic number, because the mean of its divisors is an integer number (67237987).

Almost surely, 2^134475973 is an apocalyptic number.

It is an amenable number.

134475973 is a deficient number, since it is larger than the sum of its proper divisors (1).

134475973 is an equidigital number, since it uses as much as digits as its factorization.

134475973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 43.

The square root of 134475973 is about 11596.3775809517. The cubic root of 134475973 is about 512.3281651169.

The spelling of 134475973 in words is "one hundred thirty-four million, four hundred seventy-five thousand, nine hundred seventy-three".