159267091 has 2 divisors, whose sum is σ = 159267092. Its totient is φ = 159267090.

The previous prime is 159267079. The next prime is 159267109. The reversal of 159267091 is 190762951.

Together with next prime (159267109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159267091 - 2⁷ = 159266963 is a prime.

It is not a weakly prime, because it can be changed into another prime (159267011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79633545 + 79633546.

It is an arithmetic number, because the mean of its divisors is an integer number (79633546).

Almost surely, 2^159267091 is an apocalyptic number.

159267091 is a deficient number, since it is larger than the sum of its proper divisors (1).

159267091 is an equidigital number, since it uses as much as digits as its factorization.

159267091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 159267091 is about 12620.1066160314. The cubic root of 159267091 is about 542.0533289483.

The spelling of 159267091 in words is "one hundred fifty-nine million, two hundred sixty-seven thousand, ninety-one".