133035914981 has 2 divisors, whose sum is σ = 133035914982. Its totient is φ = 133035914980.

The previous prime is 133035914939. The next prime is 133035914983. The reversal of 133035914981 is 189419530331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127705454881 + 5330460100 = 357359^2 + 73010^2 .

It is a cyclic number.

It is not a de Polignac number, because 133035914981 - 2³⁰ = 131962173157 is a prime.

It is a super-2 number, since 2×133035914981² (a number of 23 digits) contains 22 as substring.

Together with 133035914983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133035914983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66517957490 + 66517957491.

It is an arithmetic number, because the mean of its divisors is an integer number (66517957491).

Almost surely, 2^133035914981 is an apocalyptic number.

It is an amenable number.

133035914981 is a deficient number, since it is larger than the sum of its proper divisors (1).

133035914981 is an equidigital number, since it uses as much as digits as its factorization.

133035914981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 133035914981 in words is "one hundred thirty-three billion, thirty-five million, nine hundred fourteen thousand, nine hundred eighty-one".