133169233 has 8 divisors (see below), whose sum is σ = 142153920. Its totient is φ = 124382160.

The previous prime is 133169227. The next prime is 133169249. The reversal of 133169233 is 332961331.

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 133169233 - 2¹⁷ = 133038161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133169195 and 133169204.

It is not an unprimeable number, because it can be changed into a prime (133169203) 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, 48010 + ... + 50707.

It is an arithmetic number, because the mean of its divisors is an integer number (17769240).

Almost surely, 2^133169233 is an apocalyptic number.

It is an amenable number.

133169233 is a deficient number, since it is larger than the sum of its proper divisors (8984687).

133169233 is an equidigital number, since it uses as much as digits as its factorization.

133169233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98807.

The product of its digits is 8748, while the sum is 31.

The square root of 133169233 is about 11539.8974432185. The cubic root of 133169233 is about 510.6632828319.

The spelling of 133169233 in words is "one hundred thirty-three million, one hundred sixty-nine thousand, two hundred thirty-three".