134438200073 has 2 divisors, whose sum is σ = 134438200074. Its totient is φ = 134438200072.

The previous prime is 134438200037. The next prime is 134438200081. The reversal of 134438200073 is 370002834431.

Together with previous prime (134438200037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73825237264 + 60612962809 = 271708^2 + 246197^2 .

It is a cyclic number.

It is not a de Polignac number, because 134438200073 - 2²⁶ = 134371091209 is a prime.

It is not a weakly prime, because it can be changed into another prime (134438200093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67219100036 + 67219100037.

It is an arithmetic number, because the mean of its divisors is an integer number (67219100037).

Almost surely, 2^134438200073 is an apocalyptic number.

It is an amenable number.

134438200073 is a deficient number, since it is larger than the sum of its proper divisors (1).

134438200073 is an equidigital number, since it uses as much as digits as its factorization.

134438200073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 134438200073 in words is "one hundred thirty-four billion, four hundred thirty-eight million, two hundred thousand, seventy-three".