131676893 has 2 divisors, whose sum is σ = 131676894. Its totient is φ = 131676892.

The previous prime is 131676869. The next prime is 131676901. The reversal of 131676893 is 398676131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128074489 + 3602404 = 11317^2 + 1898^2 .

It is a cyclic number.

It is not a de Polignac number, because 131676893 - 2¹² = 131672797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131676803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65838446 + 65838447.

It is an arithmetic number, because the mean of its divisors is an integer number (65838447).

Almost surely, 2^131676893 is an apocalyptic number.

It is an amenable number.

131676893 is a deficient number, since it is larger than the sum of its proper divisors (1).

131676893 is an equidigital number, since it uses as much as digits as its factorization.

131676893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 131676893 is about 11475.0552504117. The cubic root of 131676893 is about 508.7485567233.

The spelling of 131676893 in words is "one hundred thirty-one million, six hundred seventy-six thousand, eight hundred ninety-three".