136437000173 has 2 divisors, whose sum is σ = 136437000174. Its totient is φ = 136437000172.

The previous prime is 136437000163. The next prime is 136437000191. The reversal of 136437000173 is 371000734631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135366598084 + 1070402089 = 367922^2 + 32717^2 .

It is a cyclic number.

It is not a de Polignac number, because 136437000173 - 2⁸ = 136436999917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136437000163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68218500086 + 68218500087.

It is an arithmetic number, because the mean of its divisors is an integer number (68218500087).

Almost surely, 2^136437000173 is an apocalyptic number.

It is an amenable number.

136437000173 is a deficient number, since it is larger than the sum of its proper divisors (1).

136437000173 is an equidigital number, since it uses as much as digits as its factorization.

136437000173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 35.

The spelling of 136437000173 in words is "one hundred thirty-six billion, four hundred thirty-seven million, one hundred seventy-three", and thus it is an aban number.