131466766 has 4 divisors (see below), whose sum is σ = 197200152. Its totient is φ = 65733382.

The previous prime is 131466749. The next prime is 131466779. The reversal of 131466766 is 667664131.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32866690 + ... + 32866693.

It is an arithmetic number, because the mean of its divisors is an integer number (49300038).

Almost surely, 2^131466766 is an apocalyptic number.

131466766 is a deficient number, since it is larger than the sum of its proper divisors (65733386).

131466766 is an equidigital number, since it uses as much as digits as its factorization.

131466766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65733385.

The product of its digits is 108864, while the sum is 40.

The square root of 131466766 is about 11465.8957783507. The cubic root of 131466766 is about 508.4777961774.

The spelling of 131466766 in words is "one hundred thirty-one million, four hundred sixty-six thousand, seven hundred sixty-six".