159128385 has 16 divisors (see below), whose sum is σ = 274190784. Its totient is φ = 78340032.

The previous prime is 159128371. The next prime is 159128399. The reversal of 159128385 is 583821951.

It is an interprime number because it is at equal distance from previous prime (159128371) and next prime (159128399).

It is not a de Polignac number, because 159128385 - 2¹¹ = 159126337 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 407827 + ... + 408216.

It is an arithmetic number, because the mean of its divisors is an integer number (17136924).

Almost surely, 2^159128385 is an apocalyptic number.

159128385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

159128385 is a deficient number, since it is larger than the sum of its proper divisors (115062399).

159128385 is a wasteful number, since it uses less digits than its factorization.

159128385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816064.

The product of its digits is 86400, while the sum is 42.

The square root of 159128385 is about 12614.6099820803. The cubic root of 159128385 is about 541.8959248341.

The spelling of 159128385 in words is "one hundred fifty-nine million, one hundred twenty-eight thousand, three hundred eighty-five".