133135301 has 4 divisors (see below), whose sum is σ = 143376492. Its totient is φ = 122894112.

The previous prime is 133135291. The next prime is 133135309. The reversal of 133135301 is 103531331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103531331 = 173 ⋅598447.

It can be written as a sum of positive squares in 2 ways, for example, as 47128225 + 86007076 = 6865^2 + 9274^2 .

It is a cyclic number.

It is not a de Polignac number, because 133135301 - 2¹⁰ = 133134277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133135309) 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, 5120576 + ... + 5120601.

It is an arithmetic number, because the mean of its divisors is an integer number (35844123).

Almost surely, 2^133135301 is an apocalyptic number.

It is an amenable number.

133135301 is a deficient number, since it is larger than the sum of its proper divisors (10241191).

133135301 is a wasteful number, since it uses less digits than its factorization.

133135301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10241190.

The product of its (nonzero) digits is 405, while the sum is 20.

The square root of 133135301 is about 11538.4271458462. The cubic root of 133135301 is about 510.6199061998.

Adding to 133135301 its reverse (103531331), we get a palindrome (236666632).

The spelling of 133135301 in words is "one hundred thirty-three million, one hundred thirty-five thousand, three hundred one".