159031740 has 96 divisors (see below), whose sum is σ = 515450880. Its totient is φ = 35882496.

The previous prime is 159031739. The next prime is 159031777. The reversal of 159031740 is 47130951.

159031740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 159031698 and 159031707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30784 + ... + 35576.

It is an arithmetic number, because the mean of its divisors is an integer number (5369280).

Almost surely, 2^159031740 is an apocalyptic number.

159031740 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 159031740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257725440).

159031740 is an abundant number, since it is smaller than the sum of its proper divisors (356419140).

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

159031740 is a wasteful number, since it uses less digits than its factorization.

159031740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4891 (or 4889 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 159031740 is about 12610.7787229814. The cubic root of 159031740 is about 541.7861976314.

The spelling of 159031740 in words is "one hundred fifty-nine million, thirty-one thousand, seven hundred forty".