133230133021 has 4 divisors (see below), whose sum is σ = 133517887552. Its totient is φ = 132942378492.

The previous prime is 133230133009. The next prime is 133230133039. The reversal of 133230133021 is 120331032331.

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 133230133021 - 2¹¹ = 133230130973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133230132983 and 133230133001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133230136021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143876571 + ... + 143877496.

It is an arithmetic number, because the mean of its divisors is an integer number (33379471888).

Almost surely, 2^133230133021 is an apocalyptic number.

It is an amenable number.

133230133021 is a deficient number, since it is larger than the sum of its proper divisors (287754531).

133230133021 is an equidigital number, since it uses as much as digits as its factorization.

133230133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287754530.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 133230133021 its reverse (120331032331), we get a palindrome (253561165352).

The spelling of 133230133021 in words is "one hundred thirty-three billion, two hundred thirty million, one hundred thirty-three thousand, twenty-one".