133316573 has 8 divisors (see below), whose sum is σ = 143740800. Its totient is φ = 122916528.

The previous prime is 133316531. The next prime is 133316591. The reversal of 133316573 is 375613331.

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 133316573 - 2⁸ = 133316317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133316503) 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, 6368 + ... + 17526.

It is an arithmetic number, because the mean of its divisors is an integer number (17967600).

Almost surely, 2^133316573 is an apocalyptic number.

133316573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133316573 is a deficient number, since it is larger than the sum of its proper divisors (10424227).

133316573 is a wasteful number, since it uses less digits than its factorization.

133316573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12091.

The product of its digits is 17010, while the sum is 32.

The square root of 133316573 is about 11546.2796172620. The cubic root of 133316573 is about 510.8515480295.

The spelling of 133316573 in words is "one hundred thirty-three million, three hundred sixteen thousand, five hundred seventy-three".