159438219 has 4 divisors (see below), whose sum is σ = 212584296. Its totient is φ = 106292144.

The previous prime is 159438199. The next prime is 159438247. The reversal of 159438219 is 912834951.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 159438219 - 2⁸ = 159437963 is a prime.

It is a super-2 number, since 2×159438219² = 50841091355783922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (159438289) 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, 26573034 + ... + 26573039.

It is an arithmetic number, because the mean of its divisors is an integer number (53146074).

Almost surely, 2^159438219 is an apocalyptic number.

159438219 is a deficient number, since it is larger than the sum of its proper divisors (53146077).

159438219 is an equidigital number, since it uses as much as digits as its factorization.

159438219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53146076.

The product of its digits is 77760, while the sum is 42.

The square root of 159438219 is about 12626.8847702036. The cubic root of 159438219 is about 542.2473997981.

The spelling of 159438219 in words is "one hundred fifty-nine million, four hundred thirty-eight thousand, two hundred nineteen".