131571763 has 2 divisors, whose sum is σ = 131571764. Its totient is φ = 131571762.

The previous prime is 131571761. The next prime is 131571773. The reversal of 131571763 is 367175131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131571763 - 2¹ = 131571761 is a prime.

It is a super-2 number, since 2×131571763² = 34622257637856338, which contains 22 as substring.

Together with 131571761, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (131571761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65785881 + 65785882.

It is an arithmetic number, because the mean of its divisors is an integer number (65785882).

Almost surely, 2^131571763 is an apocalyptic number.

131571763 is a deficient number, since it is larger than the sum of its proper divisors (1).

131571763 is an equidigital number, since it uses as much as digits as its factorization.

131571763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13230, while the sum is 34.

The square root of 131571763 is about 11470.4735298940. The cubic root of 131571763 is about 508.6131267962.

The spelling of 131571763 in words is "one hundred thirty-one million, five hundred seventy-one thousand, seven hundred sixty-three".