159436749 has 8 divisors (see below), whose sum is σ = 213536512. Its totient is φ = 105814080.

The previous prime is 159436747. The next prime is 159436769. The reversal of 159436749 is 947634951.

159436749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 159436749 - 2¹ = 159436747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159436698 and 159436707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159436747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118492 + ... + 119829.

It is an arithmetic number, because the mean of its divisors is an integer number (26692064).

Almost surely, 2^159436749 is an apocalyptic number.

It is an amenable number.

159436749 is a deficient number, since it is larger than the sum of its proper divisors (54099763).

159436749 is a wasteful number, since it uses less digits than its factorization.

159436749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238547.

The product of its digits is 816480, while the sum is 48.

The square root of 159436749 is about 12626.8265609376. The cubic root of 159436749 is about 542.2457333090.

The spelling of 159436749 in words is "one hundred fifty-nine million, four hundred thirty-six thousand, seven hundred forty-nine".