133425624421 has 4 divisors (see below), whose sum is σ = 133547922144. Its totient is φ = 133303326700.

The previous prime is 133425624407. The next prime is 133425624463. The reversal of 133425624421 is 124426524331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133425624421 - 2¹¹ = 133425622373 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 (133425624401) 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 3 ways as a sum of consecutive naturals, for example, 61147225 + ... + 61149406.

It is an arithmetic number, because the mean of its divisors is an integer number (33386980536).

Almost surely, 2^133425624421 is an apocalyptic number.

It is an amenable number.

133425624421 is a deficient number, since it is larger than the sum of its proper divisors (122297723).

133425624421 is a wasteful number, since it uses less digits than its factorization.

133425624421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122297722.

The product of its digits is 138240, while the sum is 37.

The spelling of 133425624421 in words is "one hundred thirty-three billion, four hundred twenty-five million, six hundred twenty-four thousand, four hundred twenty-one".