159386990 has 16 divisors (see below), whose sum is σ = 327881952. Its totient is φ = 54646944.

The previous prime is 159386963. The next prime is 159387001. The reversal of 159386990 is 99683951.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138409 + ... + 1138548.

It is an arithmetic number, because the mean of its divisors is an integer number (20492622).

Almost surely, 2^159386990 is an apocalyptic number.

159386990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159386990 is an abundant number, since it is smaller than the sum of its proper divisors (168494962).

159386990 is a wasteful number, since it uses less digits than its factorization.

159386990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276971.

The product of its (nonzero) digits is 524880, while the sum is 50.

The square root of 159386990 is about 12624.8560387832. The cubic root of 159386990 is about 542.1893171795.

The spelling of 159386990 in words is "one hundred fifty-nine million, three hundred eighty-six thousand, nine hundred ninety".