159125986 has 8 divisors (see below), whose sum is σ = 238818384. Its totient is φ = 79519860.

The previous prime is 159125951. The next prime is 159125999. The reversal of 159125986 is 689521951.

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

It is an unprimeable number.

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, 16740 + ... + 24463.

It is an arithmetic number, because the mean of its divisors is an integer number (29852298).

Almost surely, 2^159125986 is an apocalyptic number.

159125986 is a deficient number, since it is larger than the sum of its proper divisors (79692398).

159125986 is a wasteful number, since it uses less digits than its factorization.

159125986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43136.

The product of its digits is 194400, while the sum is 46.

The square root of 159125986 is about 12614.5148935661. The cubic root of 159125986 is about 541.8932016349.

The spelling of 159125986 in words is "one hundred fifty-nine million, one hundred twenty-five thousand, nine hundred eighty-six".