133112121421553 has 8 divisors (see below), whose sum is σ = 134729462068200. Its totient is φ = 131500651340800.

The previous prime is 133112121421549. The next prime is 133112121421571. The reversal of 133112121421553 is 355124121211331.

It can be written as a sum of positive squares in 4 ways, for example, as 74381862258064 + 58730259163489 = 8624492^2 + 7663567^2 .

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 133112121421553 - 2² = 133112121421549 is a prime.

It is a super-3 number, since 3×133112121421553³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133112121421753) 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, 1467595850 + ... + 1467686547.

It is an arithmetic number, because the mean of its divisors is an integer number (16841182758525).

Almost surely, 2^{133112121421553} is an apocalyptic number.

It is an amenable number.

133112121421553 is a deficient number, since it is larger than the sum of its proper divisors (1617340646647).

133112121421553 is a wasteful number, since it uses less digits than its factorization.

133112121421553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935282947.

The product of its digits is 21600, while the sum is 35.

Adding to 133112121421553 its reverse (355124121211331), we get a palindrome (488236242632884).

The spelling of 133112121421553 in words is "one hundred thirty-three trillion, one hundred twelve billion, one hundred twenty-one million, four hundred twenty-one thousand, five hundred fifty-three".