133033101 has 4 divisors (see below), whose sum is σ = 177377472. Its totient is φ = 88688732.

The previous prime is 133033097. The next prime is 133033181. The reversal of 133033101 is 101330331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133033101 - 2² = 133033097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133033181) 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, 22172181 + ... + 22172186.

It is an arithmetic number, because the mean of its divisors is an integer number (44344368).

Almost surely, 2^133033101 is an apocalyptic number.

It is an amenable number.

133033101 is a deficient number, since it is larger than the sum of its proper divisors (44344371).

133033101 is an equidigital number, since it uses as much as digits as its factorization.

133033101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44344370.

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

The square root of 133033101 is about 11533.9976157445. The cubic root of 133033101 is about 510.4892153089.

Adding to 133033101 its reverse (101330331), we get a palindrome (234363432).

The spelling of 133033101 in words is "one hundred thirty-three million, thirty-three thousand, one hundred one".