133040881669 has 2 divisors, whose sum is σ = 133040881670. Its totient is φ = 133040881668.

The previous prime is 133040881651. The next prime is 133040881681. The reversal of 133040881669 is 966188040331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115155029025 + 17885852644 = 339345^2 + 133738^2 .

It is a cyclic number.

It is not a de Polignac number, because 133040881669 - 2⁷ = 133040881541 is a prime.

It is a super-2 number, since 2×133040881669² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133040881639) 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, 66520440834 + 66520440835.

It is an arithmetic number, because the mean of its divisors is an integer number (66520440835).

Almost surely, 2^133040881669 is an apocalyptic number.

It is an amenable number.

133040881669 is a deficient number, since it is larger than the sum of its proper divisors (1).

133040881669 is an equidigital number, since it uses as much as digits as its factorization.

133040881669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 133040881669 in words is "one hundred thirty-three billion, forty million, eight hundred eighty-one thousand, six hundred sixty-nine".