133332001421 has 8 divisors (see below), whose sum is σ = 140366086080. Its totient is φ = 126299577888.

The previous prime is 133332001333. The next prime is 133332001447. The reversal of 133332001421 is 124100233331.

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 133332001421 - 2¹⁰ = 133332000397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133332021421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248801 + ... + 573206.

It is an arithmetic number, because the mean of its divisors is an integer number (17545760760).

Almost surely, 2^133332001421 is an apocalyptic number.

It is an amenable number.

133332001421 is a deficient number, since it is larger than the sum of its proper divisors (7034084659).

133332001421 is an equidigital number, since it uses as much as digits as its factorization.

133332001421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830563.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 133332001421 its reverse (124100233331), we get a palindrome (257432234752).

The spelling of 133332001421 in words is "one hundred thirty-three billion, three hundred thirty-two million, one thousand, four hundred twenty-one".