131068661 has 8 divisors (see below), whose sum is σ = 135717120. Its totient is φ = 126428848.

The previous prime is 131068607. The next prime is 131068681. The reversal of 131068661 is 166860131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131068661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131068681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52340 + ... + 54786.

It is an arithmetic number, because the mean of its divisors is an integer number (16964640).

Almost surely, 2^131068661 is an apocalyptic number.

It is an amenable number.

131068661 is a deficient number, since it is larger than the sum of its proper divisors (4648459).

131068661 is a wasteful number, since it uses less digits than its factorization.

131068661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 131068661 is about 11448.5222190464. The cubic root of 131068661 is about 507.9640231719.

The spelling of 131068661 in words is "one hundred thirty-one million, sixty-eight thousand, six hundred sixty-one".