133020323452553 has 4 divisors (see below), whose sum is σ = 133020347521920. Its totient is φ = 133020299383188.

The previous prime is 133020323452537. The next prime is 133020323452561. The reversal of 133020323452553 is 355254323020331.

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 133020323452553 - 2⁴ = 133020323452537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133020323452553.

It is not an unprimeable number, because it can be changed into a prime (133020323452853) 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, 861776 + ... + 16333502.

It is an arithmetic number, because the mean of its divisors is an integer number (33255086880480).

Almost surely, 2^{133020323452553} is an apocalyptic number.

It is an amenable number.

133020323452553 is a deficient number, since it is larger than the sum of its proper divisors (24069367).

133020323452553 is an equidigital number, since it uses as much as digits as its factorization.

133020323452553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24069366.

The product of its (nonzero) digits is 972000, while the sum is 41.

Adding to 133020323452553 its reverse (355254323020331), we get a palindrome (488274646472884).

The spelling of 133020323452553 in words is "one hundred thirty-three trillion, twenty billion, three hundred twenty-three million, four hundred fifty-two thousand, five hundred fifty-three".