131274814166 has 4 divisors (see below), whose sum is σ = 196912221252. Its totient is φ = 65637407082.

The previous prime is 131274814159. The next prime is 131274814171. The reversal of 131274814166 is 661418472131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661418472131 = 3559 ⋅185843909.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32818703540 + ... + 32818703543.

It is an arithmetic number, because the mean of its divisors is an integer number (49228055313).

Almost surely, 2^131274814166 is an apocalyptic number.

131274814166 is a deficient number, since it is larger than the sum of its proper divisors (65637407086).

131274814166 is an equidigital number, since it uses as much as digits as its factorization.

131274814166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65637407085.

The product of its digits is 193536, while the sum is 44.

The spelling of 131274814166 in words is "one hundred thirty-one billion, two hundred seventy-four million, eight hundred fourteen thousand, one hundred sixty-six".