193159 has 4 divisors (see below), whose sum is σ = 194040. Its totient is φ = 192280.

The previous prime is 193153. The next prime is 193163. The reversal of 193159 is 951391.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 951391 = 7 ⋅135913.

It is a cyclic number.

It is not a de Polignac number, because 193159 - 2⁷ = 193031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193153) 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, 189 + ... + 649.

It is an arithmetic number, because the mean of its divisors is an integer number (48510).

2¹⁹³¹⁵⁹ is an apocalyptic number.

193159 is a deficient number, since it is larger than the sum of its proper divisors (881).

193159 is an equidigital number, since it uses as much as digits as its factorization.

193159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880.

The product of its digits is 1215, while the sum is 28.

The square root of 193159 is about 439.4985779272. The cubic root of 193159 is about 57.8058310788.

Subtracting from 193159 its sum of digits (28), we obtain a triangular number (193131 = T₆₂₁).

The spelling of 193159 in words is "one hundred ninety-three thousand, one hundred fifty-nine".