133233404403426 has 16 divisors (see below), whose sum is σ = 270443925357024. Its totient is φ = 43748282042784.

The previous prime is 133233404403409. The next prime is 133233404403427. The reversal of 133233404403426 is 624304404332331.

It is a super-2 number, since 2×133233404403426² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133233404403427) 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, 165713189155 + ... + 165713189958.

It is an arithmetic number, because the mean of its divisors is an integer number (16902745334814).

Almost surely, 2^{133233404403426} is an apocalyptic number.

133233404403426 is an abundant number, since it is smaller than the sum of its proper divisors (137210520953598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133233404403426 is a wasteful number, since it uses less digits than its factorization.

133233404403426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331426379185.

The product of its (nonzero) digits is 1492992, while the sum is 42.

Adding to 133233404403426 its reverse (624304404332331), we get a palindrome (757537808735757).

The spelling of 133233404403426 in words is "one hundred thirty-three trillion, two hundred thirty-three billion, four hundred four million, four hundred three thousand, four hundred twenty-six".