131277967 has 2 divisors, whose sum is σ = 131277968. Its totient is φ = 131277966.

The previous prime is 131277947. The next prime is 131278001. The reversal of 131277967 is 769772131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131277967 - 2¹¹ = 131275919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131277907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65638983 + 65638984.

It is an arithmetic number, because the mean of its divisors is an integer number (65638984).

Almost surely, 2^131277967 is an apocalyptic number.

131277967 is a deficient number, since it is larger than the sum of its proper divisors (1).

131277967 is an equidigital number, since it uses as much as digits as its factorization.

131277967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 111132, while the sum is 43.

The square root of 131277967 is about 11457.6597523229. The cubic root of 131277967 is about 508.2342717892.

The spelling of 131277967 in words is "one hundred thirty-one million, two hundred seventy-seven thousand, nine hundred sixty-seven".