133406804340667 has 16 divisors (see below), whose sum is σ = 156731326859520. Its totient is φ = 111948584004000.

The previous prime is 133406804340661. The next prime is 133406804340679. The reversal of 133406804340667 is 766043408604331.

It is a cyclic number.

It is not a de Polignac number, because 133406804340667 - 2¹⁹ = 133406803816379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133406804340661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8801434 + ... + 18554752.

It is an arithmetic number, because the mean of its divisors is an integer number (9795707928720).

Almost surely, 2^{133406804340667} is an apocalyptic number.

133406804340667 is a deficient number, since it is larger than the sum of its proper divisors (23324522518853).

133406804340667 is a wasteful number, since it uses less digits than its factorization.

133406804340667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9848994.

The product of its (nonzero) digits is 20901888, while the sum is 55.

The spelling of 133406804340667 in words is "one hundred thirty-three trillion, four hundred six billion, eight hundred four million, three hundred forty thousand, six hundred sixty-seven".