131694271 has 2 divisors, whose sum is σ = 131694272. Its totient is φ = 131694270.

The previous prime is 131694259. The next prime is 131694287. The reversal of 131694271 is 172496131.

It is a weak prime.

It is an emirp because it is prime and its reverse (172496131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131694271 - 2⁵ = 131694239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131694221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65847135 + 65847136.

It is an arithmetic number, because the mean of its divisors is an integer number (65847136).

Almost surely, 2^131694271 is an apocalyptic number.

131694271 is a deficient number, since it is larger than the sum of its proper divisors (1).

131694271 is an equidigital number, since it uses as much as digits as its factorization.

131694271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The square root of 131694271 is about 11475.8124331134. The cubic root of 131694271 is about 508.7709363611.

The spelling of 131694271 in words is "one hundred thirty-one million, six hundred ninety-four thousand, two hundred seventy-one".