159705740 has 12 divisors (see below), whose sum is σ = 335382096. Its totient is φ = 63882288.

The previous prime is 159705731. The next prime is 159705751. The reversal of 159705740 is 47507951.

It is a junction number, because it is equal to n+sod(n) for n = 159705694 and 159705703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3992624 + ... + 3992663.

It is an arithmetic number, because the mean of its divisors is an integer number (27948508).

Almost surely, 2^159705740 is an apocalyptic number.

159705740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159705740 is an abundant number, since it is smaller than the sum of its proper divisors (175676356).

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

159705740 is a wasteful number, since it uses less digits than its factorization.

159705740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7985296 (or 7985294 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 159705740 is about 12637.4736399329. The cubic root of 159705740 is about 542.5505088638.

The spelling of 159705740 in words is "one hundred fifty-nine million, seven hundred five thousand, seven hundred forty".