133003232021 has 8 divisors (see below), whose sum is σ = 145100481888. Its totient is φ = 120906990000.

The previous prime is 133003231969. The next prime is 133003232041. The reversal of 133003232021 is 120232300331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133003232021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133003231984 and 133003232002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133003232041) 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, 38546 + ... + 517196.

It is an arithmetic number, because the mean of its divisors is an integer number (18137560236).

Almost surely, 2^133003232021 is an apocalyptic number.

133003232021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133003232021 is a deficient number, since it is larger than the sum of its proper divisors (12097249867).

133003232021 is a wasteful number, since it uses less digits than its factorization.

133003232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503923.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 133003232021 its reverse (120232300331), we get a palindrome (253235532352).

The spelling of 133003232021 in words is "one hundred thirty-three billion, three million, two hundred thirty-two thousand, twenty-one".