159431087 has 2 divisors, whose sum is σ = 159431088. Its totient is φ = 159431086.

The previous prime is 159431023. The next prime is 159431093. The reversal of 159431087 is 780134951.

159431087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159431087 - 2⁶ = 159431023 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159431087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159431887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79715543 + 79715544.

It is an arithmetic number, because the mean of its divisors is an integer number (79715544).

Almost surely, 2^159431087 is an apocalyptic number.

159431087 is a deficient number, since it is larger than the sum of its proper divisors (1).

159431087 is an equidigital number, since it uses as much as digits as its factorization.

159431087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 159431087 is about 12626.6023537609. The cubic root of 159431087 is about 542.2393143964.

The spelling of 159431087 in words is "one hundred fifty-nine million, four hundred thirty-one thousand, eighty-seven".