159428736 has 80 divisors (see below), whose sum is σ = 474488190. Its totient is φ = 53139456.

The previous prime is 159428707. The next prime is 159428743. The reversal of 159428736 is 637824951.

159428736 is a `hidden beast` number, since 1 + 594 + 28 + 7 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 81000000 + 78428736 = 9000^2 + 8856^2 .

It is a junction number, because it is equal to n+sod(n) for n = 159428691 and 159428700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2680 + ... + 18056.

Almost surely, 2^159428736 is an apocalyptic number.

159428736 is a gapful number since it is divisible by the number (16) 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 159428736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237244095).

159428736 is an abundant number, since it is smaller than the sum of its proper divisors (315059454).

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

159428736 is an equidigital number, since it uses as much as digits as its factorization.

159428736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15403 (or 15382 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 159428736 is about 12626.5092563226. The cubic root of 159428736 is about 542.2366490632.

It can be divided in two parts, 1594287 and 36, that added together give a 13-th power (1594323 = 3¹³).

The spelling of 159428736 in words is "one hundred fifty-nine million, four hundred twenty-eight thousand, seven hundred thirty-six".