131827851266 has 4 divisors (see below), whose sum is σ = 197741776902. Its totient is φ = 65913925632.

The previous prime is 131827851257. The next prime is 131827851293. The reversal of 131827851266 is 662158728131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 85363893241 + 46463958025 = 292171^2 + 215555^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32956962815 + ... + 32956962818.

Almost surely, 2^131827851266 is an apocalyptic number.

131827851266 is a deficient number, since it is larger than the sum of its proper divisors (65913925636).

131827851266 is an equidigital number, since it uses as much as digits as its factorization.

131827851266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65913925635.

The product of its digits is 967680, while the sum is 50.

The spelling of 131827851266 in words is "one hundred thirty-one billion, eight hundred twenty-seven million, eight hundred fifty-one thousand, two hundred sixty-six".