133473408137 has 2 divisors, whose sum is σ = 133473408138. Its totient is φ = 133473408136.

The previous prime is 133473408119. The next prime is 133473408163. The reversal of 133473408137 is 731804374331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105323615296 + 28149792841 = 324536^2 + 167779^2 .

It is an emirp because it is prime and its reverse (731804374331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133473408137 - 2³⁶ = 64753931401 is a prime.

It is not a weakly prime, because it can be changed into another prime (133473405137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66736704068 + 66736704069.

It is an arithmetic number, because the mean of its divisors is an integer number (66736704069).

Almost surely, 2^133473408137 is an apocalyptic number.

It is an amenable number.

133473408137 is a deficient number, since it is larger than the sum of its proper divisors (1).

133473408137 is an equidigital number, since it uses as much as digits as its factorization.

133473408137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 133473408137 in words is "one hundred thirty-three billion, four hundred seventy-three million, four hundred eight thousand, one hundred thirty-seven".