131434159 has 2 divisors, whose sum is σ = 131434160. Its totient is φ = 131434158.

The previous prime is 131434139. The next prime is 131434183. The reversal of 131434159 is 951434131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131434159 - 2⁷ = 131434031 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 131434159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131434109) 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, 65717079 + 65717080.

It is an arithmetic number, because the mean of its divisors is an integer number (65717080).

Almost surely, 2^131434159 is an apocalyptic number.

131434159 is a deficient number, since it is larger than the sum of its proper divisors (1).

131434159 is an equidigital number, since it uses as much as digits as its factorization.

131434159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 131434159 is about 11464.4737777187. The cubic root of 131434159 is about 508.4357543572.

The spelling of 131434159 in words is "one hundred thirty-one million, four hundred thirty-four thousand, one hundred fifty-nine".