159249131 has 2 divisors, whose sum is σ = 159249132. Its totient is φ = 159249130.

The previous prime is 159249091. The next prime is 159249137. The reversal of 159249131 is 131942951.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159249131 - 2⁶ = 159249067 is a prime.

It is a super-2 number, since 2×159249131² = 50720571448510322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 159249091 and 159249100.

It is not a weakly prime, because it can be changed into another prime (159249137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79624565 + 79624566.

It is an arithmetic number, because the mean of its divisors is an integer number (79624566).

Almost surely, 2^159249131 is an apocalyptic number.

159249131 is a deficient number, since it is larger than the sum of its proper divisors (1).

159249131 is an equidigital number, since it uses as much as digits as its factorization.

159249131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 35.

The square root of 159249131 is about 12619.3950330434. The cubic root of 159249131 is about 542.0329530216.

The spelling of 159249131 in words is "one hundred fifty-nine million, two hundred forty-nine thousand, one hundred thirty-one".