159397436 has 24 divisors (see below), whose sum is σ = 305182080. Its totient is φ = 72244400.

The previous prime is 159397417. The next prime is 159397439. The reversal of 159397436 is 634793951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159397439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10751 + ... + 20841.

It is an arithmetic number, because the mean of its divisors is an integer number (12715920).

Almost surely, 2^159397436 is an apocalyptic number.

It is an amenable number.

159397436 is a deficient number, since it is larger than the sum of its proper divisors (145784644).

159397436 is a wasteful number, since it uses less digits than its factorization.

159397436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10465 (or 10463 counting only the distinct ones).

The product of its digits is 612360, while the sum is 47.

The square root of 159397436 is about 12625.2697396927. The cubic root of 159397436 is about 542.2011616968.

The spelling of 159397436 in words is "one hundred fifty-nine million, three hundred ninety-seven thousand, four hundred thirty-six".