131266259 has 2 divisors, whose sum is σ = 131266260. Its totient is φ = 131266258.

The previous prime is 131266237. The next prime is 131266301. The reversal of 131266259 is 952662131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131266259 - 2¹² = 131262163 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131766259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65633129 + 65633130.

It is an arithmetic number, because the mean of its divisors is an integer number (65633130).

Almost surely, 2^131266259 is an apocalyptic number.

131266259 is a deficient number, since it is larger than the sum of its proper divisors (1).

131266259 is an equidigital number, since it uses as much as digits as its factorization.

131266259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 131266259 is about 11457.1488163504. The cubic root of 131266259 is about 508.2191624151.

The spelling of 131266259 in words is "one hundred thirty-one million, two hundred sixty-six thousand, two hundred fifty-nine".