133063816481 has 4 divisors (see below), whose sum is σ = 133172087700. Its totient is φ = 132955545264.

The previous prime is 133063816451. The next prime is 133063816493. The reversal of 133063816481 is 184618360331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 123215040400 + 9848776081 = 351020^2 + 99241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133063816481 is a prime.

It is a super-2 number, since 2×133063816481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133063816441) 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, 54133766 + ... + 54136223.

It is an arithmetic number, because the mean of its divisors is an integer number (33293021925).

Almost surely, 2^133063816481 is an apocalyptic number.

It is an amenable number.

133063816481 is a deficient number, since it is larger than the sum of its proper divisors (108271219).

133063816481 is a wasteful number, since it uses less digits than its factorization.

133063816481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108271218.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 133063816481 in words is "one hundred thirty-three billion, sixty-three million, eight hundred sixteen thousand, four hundred eighty-one".