20134159 has 8 divisors (see below), whose sum is σ = 20854400. Its totient is φ = 19418400.

The previous prime is 20134139. The next prime is 20134183. The reversal of 20134159 is 95143102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-20134159 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 (20134139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9889 + ... + 11749.

It is an arithmetic number, because the mean of its divisors is an integer number (2606800).

Almost surely, 2^20134159 is an apocalyptic number.

20134159 is a deficient number, since it is larger than the sum of its proper divisors (720241).

20134159 is a wasteful number, since it uses less digits than its factorization.

20134159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 20134159 is about 4487.1103173423. The cubic root of 20134159 is about 272.0473488434.

The spelling of 20134159 in words is "twenty million, one hundred thirty-four thousand, one hundred fifty-nine".