133535312201 has 4 divisors (see below), whose sum is σ = 134431522500. Its totient is φ = 132639101904.

The previous prime is 133535312159. The next prime is 133535312221. The reversal of 133535312201 is 102213535331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59134566976 + 74400745225 = 243176^2 + 272765^2 .

It is a cyclic number.

It is not a de Polignac number, because 133535312201 - 2¹⁸ = 133535050057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133535312221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448104926 + ... + 448105223.

It is an arithmetic number, because the mean of its divisors is an integer number (33607880625).

Almost surely, 2^133535312201 is an apocalyptic number.

It is an amenable number.

133535312201 is a deficient number, since it is larger than the sum of its proper divisors (896210299).

133535312201 is an equidigital number, since it uses as much as digits as its factorization.

133535312201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896210298.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 133535312201 its reverse (102213535331), we get a palindrome (235748847532).

The spelling of 133535312201 in words is "one hundred thirty-three billion, five hundred thirty-five million, three hundred twelve thousand, two hundred one".