131763173 has 2 divisors, whose sum is σ = 131763174. Its totient is φ = 131763172.

The previous prime is 131763161. The next prime is 131763197. The reversal of 131763173 is 371367131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130119649 + 1643524 = 11407^2 + 1282^2 .

It is a cyclic number.

It is not a de Polignac number, because 131763173 - 2¹⁰ = 131762149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131763103) 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 as a sum of consecutive naturals, namely, 65881586 + 65881587.

It is an arithmetic number, because the mean of its divisors is an integer number (65881587).

Almost surely, 2^131763173 is an apocalyptic number.

It is an amenable number.

131763173 is a deficient number, since it is larger than the sum of its proper divisors (1).

131763173 is an equidigital number, since it uses as much as digits as its factorization.

131763173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 32.

The square root of 131763173 is about 11478.8140937991. The cubic root of 131763173 is about 508.8596499727.

The spelling of 131763173 in words is "one hundred thirty-one million, seven hundred sixty-three thousand, one hundred seventy-three".