131966497 has 8 divisors (see below), whose sum is σ = 142914240. Its totient is φ = 121132560.

The previous prime is 131966491. The next prime is 131966503. The reversal of 131966497 is 794669131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131966491) and next prime (131966503).

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 131966497 - 2⁷ = 131966369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131966491) 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, 26029 + ... + 30682.

It is an arithmetic number, because the mean of its divisors is an integer number (17864280).

Almost surely, 2^131966497 is an apocalyptic number.

It is an amenable number.

131966497 is a deficient number, since it is larger than the sum of its proper divisors (10947743).

131966497 is a wasteful number, since it uses less digits than its factorization.

131966497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56903.

The product of its digits is 244944, while the sum is 46.

The square root of 131966497 is about 11487.6671696215. The cubic root of 131966497 is about 509.1212562180.

The spelling of 131966497 in words is "one hundred thirty-one million, nine hundred sixty-six thousand, four hundred ninety-seven".