133121233464553 has 8 divisors (see below), whose sum is σ = 133569517780160. Its totient is φ = 132673044374640.

The previous prime is 133121233464511. The next prime is 133121233464581. The reversal of 133121233464553 is 355464332121331.

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 133121233464553 - 2⁴⁵ = 97936861375721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133121233464353) 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, 21005253 + ... + 26598178.

It is an arithmetic number, because the mean of its divisors is an integer number (16696189722520).

Almost surely, 2^{133121233464553} is an apocalyptic number.

It is an amenable number.

133121233464553 is a deficient number, since it is larger than the sum of its proper divisors (448284315607).

133121233464553 is an equidigital number, since it uses as much as digits as its factorization.

133121233464553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47612847.

The product of its digits is 2332800, while the sum is 46.

Adding to 133121233464553 its reverse (355464332121331), we get a palindrome (488585565585884).

The spelling of 133121233464553 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, two hundred thirty-three million, four hundred sixty-four thousand, five hundred fifty-three".