134660673 has 18 divisors (see below), whose sum is σ = 226267314. Its totient is φ = 76948704.

The previous prime is 134660663. The next prime is 134660681. The reversal of 134660673 is 376066431.

It is a happy number.

134660673 is a `hidden beast` number, since 1 + 3 + 46 + 606 + 7 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 122943744 + 11716929 = 11088^2 + 3423^2 .

It is not a de Polignac number, because 134660673 - 2⁵ = 134660641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134660623) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 152236 + ... + 153117.

Almost surely, 2^134660673 is an apocalyptic number.

It is an amenable number.

134660673 is a deficient number, since it is larger than the sum of its proper divisors (91606641).

134660673 is a wasteful number, since it uses less digits than its factorization.

134660673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305373 (or 305363 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 134660673 is about 11604.3385421143. The cubic root of 134660673 is about 512.5626152328.

The spelling of 134660673 in words is "one hundred thirty-four million, six hundred sixty thousand, six hundred seventy-three".