133421311433 has 8 divisors (see below), whose sum is σ = 138114910080. Its totient is φ = 128733903760.

The previous prime is 133421311427. The next prime is 133421311459. The reversal of 133421311433 is 334113124331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133421311433 - 2¹² = 133421307337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133421311396 and 133421311405.

It is not an unprimeable number, because it can be changed into a prime (133421361433) 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, 1503863 + ... + 1590108.

It is an arithmetic number, because the mean of its divisors is an integer number (17264363760).

Almost surely, 2^133421311433 is an apocalyptic number.

It is an amenable number.

133421311433 is a deficient number, since it is larger than the sum of its proper divisors (4693598647).

133421311433 is a wasteful number, since it uses less digits than its factorization.

133421311433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095487.

The product of its digits is 7776, while the sum is 29.

Adding to 133421311433 its reverse (334113124331), we get a palindrome (467534435764).

The spelling of 133421311433 in words is "one hundred thirty-three billion, four hundred twenty-one million, three hundred eleven thousand, four hundred thirty-three".