159689374 has 8 divisors (see below), whose sum is σ = 257959800. Its totient is φ = 73702776.

The previous prime is 159689359. The next prime is 159689377. The reversal of 159689374 is 473986951.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159689377) 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 3 ways as a sum of consecutive naturals, for example, 3070924 + ... + 3070975.

It is an arithmetic number, because the mean of its divisors is an integer number (32244975).

Almost surely, 2^159689374 is an apocalyptic number.

159689374 is a deficient number, since it is larger than the sum of its proper divisors (98270426).

159689374 is a wasteful number, since it uses less digits than its factorization.

159689374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6141914.

The product of its digits is 1632960, while the sum is 52.

The square root of 159689374 is about 12636.8261046831. The cubic root of 159689374 is about 542.5319754348.

The spelling of 159689374 in words is "one hundred fifty-nine million, six hundred eighty-nine thousand, three hundred seventy-four".