159739020 has 144 divisors (see below), whose sum is σ = 578198880. Its totient is φ = 36505728.

The previous prime is 159738991. The next prime is 159739033. The reversal of 159739020 is 20937951.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23442 + ... + 29478.

It is an arithmetic number, because the mean of its divisors is an integer number (4015270).

Almost surely, 2^159739020 is an apocalyptic number.

159739020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159739020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289099440).

159739020 is an abundant number, since it is smaller than the sum of its proper divisors (418459860).

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

159739020 is a wasteful number, since it uses less digits than its factorization.

159739020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6069 (or 6054 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 159739020 is about 12638.7902902137. The cubic root of 159739020 is about 542.5881923912.

The spelling of 159739020 in words is "one hundred fifty-nine million, seven hundred thirty-nine thousand, twenty".