133145301 has 8 divisors (see below), whose sum is σ = 179098560. Its totient is φ = 87977792.

The previous prime is 133145297. The next prime is 133145317. The reversal of 133145301 is 103541331.

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 133145301 - 2² = 133145297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133141301) 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, 196041 + ... + 196718.

It is an arithmetic number, because the mean of its divisors is an integer number (22387320).

Almost surely, 2^133145301 is an apocalyptic number.

It is an amenable number.

133145301 is a deficient number, since it is larger than the sum of its proper divisors (45953259).

133145301 is a wasteful number, since it uses less digits than its factorization.

133145301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392875.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 133145301 is about 11538.8604723343. The cubic root of 133145301 is about 510.6326903655.

Adding to 133145301 its reverse (103541331), we get a palindrome (236686632).

The spelling of 133145301 in words is "one hundred thirty-three million, one hundred forty-five thousand, three hundred one".