131296771 has 8 divisors (see below), whose sum is σ = 133873200. Its totient is φ = 128732160.

The previous prime is 131296769. The next prime is 131296799. The reversal of 131296771 is 177692131.

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 131296771 - 2¹ = 131296769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131296771.

It is not an unprimeable number, because it can be changed into a prime (131296871) 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, 21411 + ... + 26851.

It is an arithmetic number, because the mean of its divisors is an integer number (16734150).

Almost surely, 2^131296771 is an apocalyptic number.

131296771 is a deficient number, since it is larger than the sum of its proper divisors (2576429).

131296771 is an equidigital number, since it uses as much as digits as its factorization.

131296771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909.

The product of its digits is 15876, while the sum is 37.

The square root of 131296771 is about 11458.4803093604. The cubic root of 131296771 is about 508.2585367927.

It can be divided in two parts, 13129 and 6771, that added together give a triangular number (19900 = T₁₉₉).

The spelling of 131296771 in words is "one hundred thirty-one million, two hundred ninety-six thousand, seven hundred seventy-one".