33140401421 has 16 divisors (see below), whose sum is σ = 33871003200. Its totient is φ = 32415871488.

The previous prime is 33140401397. The next prime is 33140401433. The reversal of 33140401421 is 12410404133.

It is a cyclic number.

It is not a de Polignac number, because 33140401421 - 2²⁶ = 33073292557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33140404421) 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 15 ways as a sum of consecutive naturals, for example, 11390915 + ... + 11393823.

It is an arithmetic number, because the mean of its divisors is an integer number (2116937700).

Almost surely, 2^33140401421 is an apocalyptic number.

It is an amenable number.

33140401421 is a deficient number, since it is larger than the sum of its proper divisors (730601779).

33140401421 is a wasteful number, since it uses less digits than its factorization.

33140401421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 33140401421 its reverse (12410404133), we get a palindrome (45550805554).

The spelling of 33140401421 in words is "thirty-three billion, one hundred forty million, four hundred one thousand, four hundred twenty-one".