133400304422421 has 8 divisors (see below), whose sum is σ = 177867127139520. Its totient is φ = 88933508993472.

The previous prime is 133400304422417. The next prime is 133400304422471. The reversal of 133400304422421 is 124224403004331.

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

It is not a de Polignac number, because 133400304422421 - 2² = 133400304422417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133400304422401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12015325 + ... + 20277293.

It is an arithmetic number, because the mean of its divisors is an integer number (22233390892440).

Almost surely, 2^{133400304422421} is an apocalyptic number.

It is an amenable number.

133400304422421 is a deficient number, since it is larger than the sum of its proper divisors (44466822717099).

133400304422421 is an equidigital number, since it uses as much as digits as its factorization.

133400304422421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13644075.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 133400304422421 its reverse (124224403004331), we get a palindrome (257624707426752).

The spelling of 133400304422421 in words is "one hundred thirty-three trillion, four hundred billion, three hundred four million, four hundred twenty-two thousand, four hundred twenty-one".