133033011 has 8 divisors (see below), whose sum is σ = 178568400. Its totient is φ = 88093152.

The previous prime is 133033001. The next prime is 133033031. The reversal of 133033011 is 110330331.

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

It is not a de Polignac number, because 133033011 - 2⁷ = 133032883 is a prime.

It is a super-2 number, since 2×133033011² = 35395564031452242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133033001) 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, 148360 + ... + 149253.

It is an arithmetic number, because the mean of its divisors is an integer number (22321050).

Almost surely, 2^133033011 is an apocalyptic number.

133033011 is a deficient number, since it is larger than the sum of its proper divisors (45535389).

133033011 is a wasteful number, since it uses less digits than its factorization.

133033011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297765.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 133033011 is about 11533.9937142345. The cubic root of 133033011 is about 510.4891001896.

Adding to 133033011 its reverse (110330331), we get a palindrome (243363342).

The spelling of 133033011 in words is "one hundred thirty-three million, thirty-three thousand, eleven".