159788131 has 2 divisors, whose sum is σ = 159788132. Its totient is φ = 159788130.

The previous prime is 159788093. The next prime is 159788141. The reversal of 159788131 is 131887951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159788131 - 2¹⁹ = 159263843 is a prime.

It is a super-2 number, since 2×159788131² = 51064493616946322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (159788141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79894065 + 79894066.

It is an arithmetic number, because the mean of its divisors is an integer number (79894066).

Almost surely, 2^159788131 is an apocalyptic number.

159788131 is a deficient number, since it is larger than the sum of its proper divisors (1).

159788131 is an equidigital number, since it uses as much as digits as its factorization.

159788131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 43.

The square root of 159788131 is about 12640.7330088093. The cubic root of 159788131 is about 542.6437920778.

The spelling of 159788131 in words is "one hundred fifty-nine million, seven hundred eighty-eight thousand, one hundred thirty-one".