130542757 has 2 divisors, whose sum is σ = 130542758. Its totient is φ = 130542756.

The previous prime is 130542739. The next prime is 130542773. The reversal of 130542757 is 757245031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114789796 + 15752961 = 10714^2 + 3969^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130542757 is a prime.

It is a super-2 number, since 2×130542757² = 34082822810322098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130542557) 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, 65271378 + 65271379.

It is an arithmetic number, because the mean of its divisors is an integer number (65271379).

Almost surely, 2^130542757 is an apocalyptic number.

It is an amenable number.

130542757 is a deficient number, since it is larger than the sum of its proper divisors (1).

130542757 is an equidigital number, since it uses as much as digits as its factorization.

130542757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 130542757 is about 11425.5309285827. The cubic root of 130542757 is about 507.2837222206.

Adding to 130542757 its reverse (757245031), we get a palindrome (887787788).

The spelling of 130542757 in words is "one hundred thirty million, five hundred forty-two thousand, seven hundred fifty-seven".