131967938 has 8 divisors (see below), whose sum is σ = 198802188. Its totient is φ = 65700544.

The previous prime is 131967931. The next prime is 131967947. The reversal of 131967938 is 839769131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 126270169 + 5697769 = 11237^2 + 2387^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131967892 and 131967901.

It is not an unprimeable number, because it can be changed into a prime (131967931) 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 3 ways as a sum of consecutive naturals, for example, 141131 + ... + 142062.

Almost surely, 2^131967938 is an apocalyptic number.

131967938 is a deficient number, since it is larger than the sum of its proper divisors (66834250).

131967938 is a wasteful number, since it uses less digits than its factorization.

131967938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283428.

The product of its digits is 244944, while the sum is 47.

The square root of 131967938 is about 11487.7298888858. The cubic root of 131967938 is about 509.1231093173.

The spelling of 131967938 in words is "one hundred thirty-one million, nine hundred sixty-seven thousand, nine hundred thirty-eight".