134667673 has 4 divisors (see below), whose sum is σ = 153905920. Its totient is φ = 115429428.

The previous prime is 134667671. The next prime is 134667683. The reversal of 134667673 is 376766431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 376766431 = 353 ⋅1067327.

It is a cyclic number.

It is not a de Polignac number, because 134667673 - 2¹ = 134667671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134667671) 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 in 3 ways as a sum of consecutive naturals, for example, 9619113 + ... + 9619126.

It is an arithmetic number, because the mean of its divisors is an integer number (38476480).

Almost surely, 2^134667673 is an apocalyptic number.

It is an amenable number.

134667673 is a deficient number, since it is larger than the sum of its proper divisors (19238247).

134667673 is an equidigital number, since it uses as much as digits as its factorization.

134667673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19238246.

The product of its digits is 381024, while the sum is 43.

The square root of 134667673 is about 11604.6401495264. The cubic root of 134667673 is about 512.5714965096.

The spelling of 134667673 in words is "one hundred thirty-four million, six hundred sixty-seven thousand, six hundred seventy-three".