133243301 has 8 divisors (see below), whose sum is σ = 143522304. Its totient is φ = 123338160.

The previous prime is 133243289. The next prime is 133243307. The reversal of 133243301 is 103342331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133243301 is a prime.

It is a super-2 number, since 2×133243301² = 35507554522753202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133243307) 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, 92726 + ... + 94151.

It is an arithmetic number, because the mean of its divisors is an integer number (17940288).

Almost surely, 2^133243301 is an apocalyptic number.

It is an amenable number.

133243301 is a deficient number, since it is larger than the sum of its proper divisors (10279003).

133243301 is a wasteful number, since it uses less digits than its factorization.

133243301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186931.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 133243301 is about 11543.1062110681. The cubic root of 133243301 is about 510.7579413274.

Adding to 133243301 its reverse (103342331), we get a palindrome (236585632).

The spelling of 133243301 in words is "one hundred thirty-three million, two hundred forty-three thousand, three hundred one".