133410204021 has 4 divisors (see below), whose sum is σ = 177880272032. Its totient is φ = 88940136012.

The previous prime is 133410203963. The next prime is 133410204049. The reversal of 133410204021 is 120402014331.

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 not a de Polignac number, because 133410204021 - 2¹³ = 133410195829 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 (133410204061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22235034001 + ... + 22235034006.

It is an arithmetic number, because the mean of its divisors is an integer number (44470068008).

Almost surely, 2^133410204021 is an apocalyptic number.

It is an amenable number.

133410204021 is a deficient number, since it is larger than the sum of its proper divisors (44470068011).

133410204021 is an equidigital number, since it uses as much as digits as its factorization.

133410204021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44470068010.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 133410204021 its reverse (120402014331), we get a palindrome (253812218352).

It can be divided in two parts, 133410 and 204021, that added together give a triangular number (337431 = T₈₂₁).

The spelling of 133410204021 in words is "one hundred thirty-three billion, four hundred ten million, two hundred four thousand, twenty-one".