133213524421 has 8 divisors (see below), whose sum is σ = 134110139904. Its totient is φ = 132317098800.

The previous prime is 133213524419. The next prime is 133213524427. The reversal of 133213524421 is 124425312331.

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 133213524421 - 2¹ = 133213524419 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 (133213524427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537755 + ... + 1622071.

It is an arithmetic number, because the mean of its divisors is an integer number (16763767488).

Almost surely, 2^133213524421 is an apocalyptic number.

It is an amenable number.

133213524421 is a deficient number, since it is larger than the sum of its proper divisors (896615483).

133213524421 is a wasteful number, since it uses less digits than its factorization.

133213524421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94931.

The product of its digits is 17280, while the sum is 31.

Adding to 133213524421 its reverse (124425312331), we get a palindrome (257638836752).

The spelling of 133213524421 in words is "one hundred thirty-three billion, two hundred thirteen million, five hundred twenty-four thousand, four hundred twenty-one".