131344859 has 2 divisors, whose sum is σ = 131344860. Its totient is φ = 131344858.

The previous prime is 131344793. The next prime is 131344867. The reversal of 131344859 is 958443131.

It is a strong prime.

It is an emirp because it is prime and its reverse (958443131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131344859 - 2¹² = 131340763 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (131343859) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65672429 + 65672430.

It is an arithmetic number, because the mean of its divisors is an integer number (65672430).

Almost surely, 2^131344859 is an apocalyptic number.

131344859 is a deficient number, since it is larger than the sum of its proper divisors (1).

131344859 is an equidigital number, since it uses as much as digits as its factorization.

131344859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 131344859 is about 11460.5784758013. The cubic root of 131344859 is about 508.3205798347.

The spelling of 131344859 in words is "one hundred thirty-one million, three hundred forty-four thousand, eight hundred fifty-nine".