133681575347 has 2 divisors, whose sum is σ = 133681575348. Its totient is φ = 133681575346.

The previous prime is 133681575341. The next prime is 133681575359. The reversal of 133681575347 is 743575186331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133681575347 - 2²⁴ = 133664798131 is a prime.

It is not a weakly prime, because it can be changed into another prime (133681575341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66840787673 + 66840787674.

It is an arithmetic number, because the mean of its divisors is an integer number (66840787674).

Almost surely, 2^133681575347 is an apocalyptic number.

133681575347 is a deficient number, since it is larger than the sum of its proper divisors (1).

133681575347 is an equidigital number, since it uses as much as digits as its factorization.

133681575347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6350400, while the sum is 53.

The spelling of 133681575347 in words is "one hundred thirty-three billion, six hundred eighty-one million, five hundred seventy-five thousand, three hundred forty-seven".