134745673 has 4 divisors (see below), whose sum is σ = 134787268. Its totient is φ = 134704080.

The previous prime is 134745671. The next prime is 134745679. The reversal of 134745673 is 376547431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56370064 + 78375609 = 7508^2 + 8853^2 .

It is a cyclic number.

It is not a de Polignac number, because 134745673 - 2¹ = 134745671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134745671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15486 + ... + 22567.

It is an arithmetic number, because the mean of its divisors is an integer number (33696817).

Almost surely, 2^134745673 is an apocalyptic number.

It is an amenable number.

134745673 is a deficient number, since it is larger than the sum of its proper divisors (41595).

134745673 is an equidigital number, since it uses as much as digits as its factorization.

134745673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41594.

The product of its digits is 211680, while the sum is 40.

The square root of 134745673 is about 11608.0003876637. Note that the first 3 decimals coincide. The cubic root of 134745673 is about 512.6704384936.

The spelling of 134745673 in words is "one hundred thirty-four million, seven hundred forty-five thousand, six hundred seventy-three".