130240243 has 16 divisors (see below), whose sum is σ = 152755200. Its totient is φ = 108726336.

The previous prime is 130240219. The next prime is 130240261. The reversal of 130240243 is 342042031.

It is a cyclic number.

It is not a de Polignac number, because 130240243 - 2¹³ = 130232051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130240243.

It is not an unprimeable number, because it can be changed into a prime (130240343) 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 in 15 ways as a sum of consecutive naturals, for example, 75808 + ... + 77506.

It is an arithmetic number, because the mean of its divisors is an integer number (9547200).

Almost surely, 2^130240243 is an apocalyptic number.

130240243 is a deficient number, since it is larger than the sum of its proper divisors (22514957).

130240243 is a wasteful number, since it uses less digits than its factorization.

130240243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 130240243 is about 11412.2847405767. The cubic root of 130240243 is about 506.8915668708.

Adding to 130240243 its reverse (342042031), we get a palindrome (472282274).

The spelling of 130240243 in words is "one hundred thirty million, two hundred forty thousand, two hundred forty-three".