159738 has 16 divisors (see below), whose sum is σ = 324480. Its totient is φ = 52416.

The previous prime is 159737. The next prime is 159739. The reversal of 159738 is 837951.

It is an interprime number because it is at equal distance from previous prime (159737) and next prime (159739).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 159699 and 159708.

It is not an unprimeable number, because it can be changed into a prime (159737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306 + ... + 642.

It is an arithmetic number, because the mean of its divisors is an integer number (20280).

2¹⁵⁹⁷³⁸ is an apocalyptic number.

159738 is an abundant number, since it is smaller than the sum of its proper divisors (164742).

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

159738 is a wasteful number, since it uses less digits than its factorization.

159738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421.

The product of its digits is 7560, while the sum is 33.

The square root of 159738 is about 399.6723658198. The cubic root of 159738 is about 54.2587037505.

It can be divided in two parts, 15 and 9738, that multiplied together give a triangular number (146070 = T₅₄₀).

The spelling of 159738 in words is "one hundred fifty-nine thousand, seven hundred thirty-eight".