133234435401 has 4 divisors (see below), whose sum is σ = 177645913872. Its totient is φ = 88822956932.

The previous prime is 133234435343. The next prime is 133234435441. The reversal of 133234435401 is 104534432331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133234435401 - 2⁶ = 133234435337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133234435441) 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, 22205739231 + ... + 22205739236.

It is an arithmetic number, because the mean of its divisors is an integer number (44411478468).

Almost surely, 2^133234435401 is an apocalyptic number.

It is an amenable number.

133234435401 is a deficient number, since it is larger than the sum of its proper divisors (44411478471).

133234435401 is an equidigital number, since it uses as much as digits as its factorization.

133234435401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44411478470.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 133234435401 its reverse (104534432331), we get a palindrome (237768867732).

The spelling of 133234435401 in words is "one hundred thirty-three billion, two hundred thirty-four million, four hundred thirty-five thousand, four hundred one".