159439104 has 216 divisors, whose sum is σ = 522299232. Its totient is φ = 48107520.

The previous prime is 159439103. The next prime is 159439123. The reversal of 159439104 is 401934951.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159439103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 684172 + ... + 684404.

It is an arithmetic number, because the mean of its divisors is an integer number (2418052).

Almost surely, 2^159439104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159439104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261149616).

159439104 is an abundant number, since it is smaller than the sum of its proper divisors (362860128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159439104 is an equidigital number, since it uses as much as digits as its factorization.

159439104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 159439104 is about 12626.9198144282. The cubic root of 159439104 is about 542.2484030875.

The spelling of 159439104 in words is "one hundred fifty-nine million, four hundred thirty-nine thousand, one hundred four".