136230173 has 4 divisors (see below), whose sum is σ = 142153248. Its totient is φ = 130307100.

The previous prime is 136230161. The next prime is 136230179. The reversal of 136230173 is 371032631.

136230173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 371032631 = 5953 ⋅62327.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136230173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136230179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2961503 + ... + 2961548.

It is an arithmetic number, because the mean of its divisors is an integer number (35538312).

Almost surely, 2^136230173 is an apocalyptic number.

It is an amenable number.

136230173 is a deficient number, since it is larger than the sum of its proper divisors (5923075).

136230173 is an equidigital number, since it uses as much as digits as its factorization.

136230173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5923074.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 136230173 is about 11671.7682036613. The cubic root of 136230173 is about 514.5462720655.

The spelling of 136230173 in words is "one hundred thirty-six million, two hundred thirty thousand, one hundred seventy-three".