159140591 has 2 divisors, whose sum is σ = 159140592. Its totient is φ = 159140590.

The previous prime is 159140551. The next prime is 159140623. The reversal of 159140591 is 195041951.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159140591 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159140551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79570295 + 79570296.

It is an arithmetic number, because the mean of its divisors is an integer number (79570296).

Almost surely, 2^159140591 is an apocalyptic number.

159140591 is a deficient number, since it is larger than the sum of its proper divisors (1).

159140591 is an equidigital number, since it uses as much as digits as its factorization.

159140591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 35.

The square root of 159140591 is about 12615.0937769007. The cubic root of 159140591 is about 541.9097799204.

The spelling of 159140591 in words is "one hundred fifty-nine million, one hundred forty thousand, five hundred ninety-one".