131134666 has 8 divisors (see below), whose sum is σ = 211832964. Its totient is φ = 60523680.

The previous prime is 131134643. The next prime is 131134691. The reversal of 131134666 is 666431131.

131134666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 97436641 + 33698025 = 9871^2 + 5805^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2521795 + ... + 2521846.

Almost surely, 2^131134666 is an apocalyptic number.

131134666 is a deficient number, since it is larger than the sum of its proper divisors (80698298).

131134666 is a wasteful number, since it uses less digits than its factorization.

131134666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043656.

The product of its digits is 7776, while the sum is 31.

The square root of 131134666 is about 11451.4045426751. The cubic root of 131134666 is about 508.0492775683.

Adding to 131134666 its reverse (666431131), we get a palindrome (797565797).

The spelling of 131134666 in words is "one hundred thirty-one million, one hundred thirty-four thousand, six hundred sixty-six".