131741965 has 4 divisors (see below), whose sum is σ = 158090364. Its totient is φ = 105393568.

The previous prime is 131741963. The next prime is 131741969. The reversal of 131741965 is 569147131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34975396 + 96766569 = 5914^2 + 9837^2 .

It is a cyclic number.

It is not a de Polignac number, because 131741965 - 2¹ = 131741963 is a prime.

It is a super-2 number, since 2×131741965² = 34711890684122450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131741963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13174192 + ... + 13174201.

It is an arithmetic number, because the mean of its divisors is an integer number (39522591).

Almost surely, 2^131741965 is an apocalyptic number.

It is an amenable number.

131741965 is a deficient number, since it is larger than the sum of its proper divisors (26348399).

131741965 is an equidigital number, since it uses as much as digits as its factorization.

131741965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26348398.

The product of its digits is 22680, while the sum is 37.

The square root of 131741965 is about 11477.8902678149. The cubic root of 131741965 is about 508.8323472642.

The spelling of 131741965 in words is "one hundred thirty-one million, seven hundred forty-one thousand, nine hundred sixty-five".