159743940 has 24 divisors (see below), whose sum is σ = 447283200. Its totient is φ = 42598368.

The previous prime is 159743939. The next prime is 159743971. The reversal of 159743940 is 49347951.

It is a junction number, because it is equal to n+sod(n) for n = 159743892 and 159743901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1331140 + ... + 1331259.

It is an arithmetic number, because the mean of its divisors is an integer number (18636800).

Almost surely, 2^159743940 is an apocalyptic number.

159743940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159743940 is an abundant number, since it is smaller than the sum of its proper divisors (287539260).

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

159743940 is a wasteful number, since it uses less digits than its factorization.

159743940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662411 (or 2662409 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 159743940 is about 12638.9849275960. The cubic root of 159743940 is about 542.5937629493.

The spelling of 159743940 in words is "one hundred fifty-nine million, seven hundred forty-three thousand, nine hundred forty".