130542739 has 2 divisors, whose sum is σ = 130542740. Its totient is φ = 130542738.

The previous prime is 130542719. The next prime is 130542757. The reversal of 130542739 is 937245031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130542739 - 2⁷ = 130542611 is a prime.

It is not a weakly prime, because it can be changed into another prime (130542719) 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, 65271369 + 65271370.

It is an arithmetic number, because the mean of its divisors is an integer number (65271370).

Almost surely, 2^130542739 is an apocalyptic number.

130542739 is a deficient number, since it is larger than the sum of its proper divisors (1).

130542739 is an equidigital number, since it uses as much as digits as its factorization.

130542739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 130542739 is about 11425.5301408731. The cubic root of 130542739 is about 507.2836989048.

It can be divided in two parts, 1305 and 42739, that added together give a palindrome (44044).

The spelling of 130542739 in words is "one hundred thirty million, five hundred forty-two thousand, seven hundred thirty-nine".