133846673 has 4 divisors (see below), whose sum is σ = 137111268. Its totient is φ = 130582080.

The previous prime is 133846667. The next prime is 133846679. The reversal of 133846673 is 376648331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 376648331 = 7247 ⋅51973.

It is an interprime number because it is at equal distance from previous prime (133846667) and next prime (133846679).

It can be written as a sum of positive squares in 2 ways, for example, as 67782289 + 66064384 = 8233^2 + 8128^2 .

It is a cyclic number.

It is not a de Polignac number, because 133846673 - 2⁸ = 133846417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 3264553 = 133846673 / (1 + 3 + 3 + 8 + 4 + 6 + 6 + 7 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133846673.

It is not an unprimeable number, because it can be changed into a prime (133846679) 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, 1632236 + ... + 1632317.

It is an arithmetic number, because the mean of its divisors is an integer number (34277817).

Almost surely, 2^133846673 is an apocalyptic number.

It is an amenable number.

133846673 is a deficient number, since it is larger than the sum of its proper divisors (3264595).

133846673 is an equidigital number, since it uses as much as digits as its factorization.

133846673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264594.

The product of its digits is 217728, while the sum is 41.

The square root of 133846673 is about 11569.2122895208. The cubic root of 133846673 is about 511.5277437050.

The spelling of 133846673 in words is "one hundred thirty-three million, eight hundred forty-six thousand, six hundred seventy-three".