134666673 has 16 divisors (see below), whose sum is σ = 194757696. Its totient is φ = 82434560.

The previous prime is 134666663. The next prime is 134666687. The reversal of 134666673 is 376666431.

It is a cyclic number.

It is not a de Polignac number, because 134666673 - 2⁴ = 134666657 is a prime.

It is a super-2 number, since 2×134666673² = 36270225633777858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134666663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30111 + ... + 34292.

It is an arithmetic number, because the mean of its divisors is an integer number (12172356).

Almost surely, 2^134666673 is an apocalyptic number.

It is an amenable number.

134666673 is a deficient number, since it is larger than the sum of its proper divisors (60091023).

134666673 is a wasteful number, since it uses less digits than its factorization.

134666673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64464.

The product of its digits is 326592, while the sum is 42.

The square root of 134666673 is about 11604.5970632332. The cubic root of 134666673 is about 512.5702277746.

The spelling of 134666673 in words is "one hundred thirty-four million, six hundred sixty-six thousand, six hundred seventy-three".