131750077 has 2 divisors, whose sum is σ = 131750078. Its totient is φ = 131750076.

The previous prime is 131750039. The next prime is 131750089. The reversal of 131750077 is 770057131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118940836 + 12809241 = 10906^2 + 3579^2 .

It is an emirp because it is prime and its reverse (770057131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131750077 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131750027) 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, 65875038 + 65875039.

It is an arithmetic number, because the mean of its divisors is an integer number (65875039).

Almost surely, 2^131750077 is an apocalyptic number.

It is an amenable number.

131750077 is a deficient number, since it is larger than the sum of its proper divisors (1).

131750077 is an equidigital number, since it uses as much as digits as its factorization.

131750077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5145, while the sum is 31.

The square root of 131750077 is about 11478.2436374212. The cubic root of 131750077 is about 508.8427908190.

The spelling of 131750077 in words is "one hundred thirty-one million, seven hundred fifty thousand, seventy-seven".