133400332321 has 8 divisors (see below), whose sum is σ = 136253093760. Its totient is φ = 130548173328.

The previous prime is 133400332313. The next prime is 133400332339. The reversal of 133400332321 is 123233004331.

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 133400332321 - 2³ = 133400332313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133400332301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312015 + ... + 603451.

It is an arithmetic number, because the mean of its divisors is an integer number (17031636720).

Almost surely, 2^133400332321 is an apocalyptic number.

It is an amenable number.

133400332321 is a deficient number, since it is larger than the sum of its proper divisors (2852761439).

133400332321 is an equidigital number, since it uses as much as digits as its factorization.

133400332321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301223.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 133400332321 its reverse (123233004331), we get a palindrome (256633336652).

The spelling of 133400332321 in words is "one hundred thirty-three billion, four hundred million, three hundred thirty-two thousand, three hundred twenty-one".