173134439 has 2 divisors, whose sum is σ = 173134440. Its totient is φ = 173134438.

The previous prime is 173134399. The next prime is 173134463. The reversal of 173134439 is 934431371.

173134439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 173134439 - 2²⁰ = 172085863 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 173134399 and 173134408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173134739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86567219 + 86567220.

It is an arithmetic number, because the mean of its divisors is an integer number (86567220).

Almost surely, 2^173134439 is an apocalyptic number.

173134439 is a deficient number, since it is larger than the sum of its proper divisors (1).

173134439 is an equidigital number, since it uses as much as digits as its factorization.

173134439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 173134439 is about 13158.0560494322. The cubic root of 173134439 is about 557.3497637231.

The spelling of 173134439 in words is "one hundred seventy-three million, one hundred thirty-four thousand, four hundred thirty-nine".