131962661 has 8 divisors (see below), whose sum is σ = 139065984. Its totient is φ = 124973200.

The previous prime is 131962601. The next prime is 131962667. The reversal of 131962661 is 166269131.

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

It is a cyclic number.

It is not a de Polignac number, because 131962661 - 2²² = 127768357 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 (131962667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26081 + ... + 30726.

It is an arithmetic number, because the mean of its divisors is an integer number (17383248).

Almost surely, 2^131962661 is an apocalyptic number.

It is an amenable number.

131962661 is a deficient number, since it is larger than the sum of its proper divisors (7103323).

131962661 is a wasteful number, since it uses less digits than its factorization.

131962661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56931.

The product of its digits is 11664, while the sum is 35.

The square root of 131962661 is about 11487.5002067465. The cubic root of 131962661 is about 509.1163231274.

The spelling of 131962661 in words is "one hundred thirty-one million, nine hundred sixty-two thousand, six hundred sixty-one".