131260369 has 2 divisors, whose sum is σ = 131260370. Its totient is φ = 131260368.

The previous prime is 131260361. The next prime is 131260373. The reversal of 131260369 is 963062131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78552769 + 52707600 = 8863^2 + 7260^2 .

It is a cyclic number.

It is not a de Polignac number, because 131260369 - 2³ = 131260361 is a prime.

It is a super-2 number, since 2×131260369² = 34458568940032322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131260369.

It is not a weakly prime, because it can be changed into another prime (131260361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65630184 + 65630185.

It is an arithmetic number, because the mean of its divisors is an integer number (65630185).

Almost surely, 2^131260369 is an apocalyptic number.

It is an amenable number.

131260369 is a deficient number, since it is larger than the sum of its proper divisors (1).

131260369 is an equidigital number, since it uses as much as digits as its factorization.

131260369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 131260369 is about 11456.8917687128. The cubic root of 131260369 is about 508.2115609297.

The spelling of 131260369 in words is "one hundred thirty-one million, two hundred sixty thousand, three hundred sixty-nine".