130782137 has 2 divisors, whose sum is σ = 130782138. Its totient is φ = 130782136.

The previous prime is 130782133. The next prime is 130782143. The reversal of 130782137 is 731287031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69488896 + 61293241 = 8336^2 + 7829^2 .

It is a cyclic number.

It is not a de Polignac number, because 130782137 - 2² = 130782133 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130782133) 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, 65391068 + 65391069.

It is an arithmetic number, because the mean of its divisors is an integer number (65391069).

Almost surely, 2^130782137 is an apocalyptic number.

It is an amenable number.

130782137 is a deficient number, since it is larger than the sum of its proper divisors (1).

130782137 is an equidigital number, since it uses as much as digits as its factorization.

130782137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 130782137 is about 11436.0017925847. The cubic root of 130782137 is about 507.5936064566.

The spelling of 130782137 in words is "one hundred thirty million, seven hundred eighty-two thousand, one hundred thirty-seven".