133440173 has 8 divisors (see below), whose sum is σ = 140721600. Its totient is φ = 126184608.

The previous prime is 133440163. The next prime is 133440193. The reversal of 133440173 is 371044331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133440173 - 2¹⁴ = 133423789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133440133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4640 + ... + 16982.

It is an arithmetic number, because the mean of its divisors is an integer number (17590200).

Almost surely, 2^133440173 is an apocalyptic number.

It is an amenable number.

133440173 is a deficient number, since it is larger than the sum of its proper divisors (7281427).

133440173 is a wasteful number, since it uses less digits than its factorization.

133440173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12931.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 133440173 is about 11551.6307506776. The cubic root of 133440173 is about 511.0093722391.

The spelling of 133440173 in words is "one hundred thirty-three million, four hundred forty thousand, one hundred seventy-three".