131360666 has 8 divisors (see below), whose sum is σ = 208631700. Its totient is φ = 61816768.

The previous prime is 131360639. The next prime is 131360681. The reversal of 131360666 is 666063131.

It can be written as a sum of positive squares in 2 ways, for example, as 131217025 + 143641 = 11455^2 + 379^2 .

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, 1931741 + ... + 1931808.

Almost surely, 2^131360666 is an apocalyptic number.

131360666 is a deficient number, since it is larger than the sum of its proper divisors (77271034).

131360666 is a wasteful number, since it uses less digits than its factorization.

131360666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863568.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 131360666 is about 11461.2680799290. The cubic root of 131360666 is about 508.3409706876.

The spelling of 131360666 in words is "one hundred thirty-one million, three hundred sixty thousand, six hundred sixty-six".