133252442401 has 4 divisors (see below), whose sum is σ = 143502630292. Its totient is φ = 123002254512.

The previous prime is 133252442381. The next prime is 133252442429. The reversal of 133252442401 is 104244252331.

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 24203891776 + 109048550625 = 155576^2 + 330225^2 .

It is a cyclic number.

It is not a de Polignac number, because 133252442401 - 2¹¹ = 133252440353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133252442101) 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, 5125093926 + ... + 5125093951.

It is an arithmetic number, because the mean of its divisors is an integer number (35875657573).

Almost surely, 2^133252442401 is an apocalyptic number.

It is an amenable number.

133252442401 is a deficient number, since it is larger than the sum of its proper divisors (10250187891).

133252442401 is a wasteful number, since it uses less digits than its factorization.

133252442401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250187890.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 133252442401 its reverse (104244252331), we get a palindrome (237496694732).

The spelling of 133252442401 in words is "one hundred thirty-three billion, two hundred fifty-two million, four hundred forty-two thousand, four hundred one".