130640543 has 16 divisors (see below), whose sum is σ = 144723456. Its totient is φ = 116941440.

The previous prime is 130640527. The next prime is 130640567. The reversal of 130640543 is 345046031.

It is not a de Polignac number, because 130640543 - 2⁴ = 130640527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130640513) 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, 281930 + ... + 282392.

It is an arithmetic number, because the mean of its divisors is an integer number (9045216).

Almost surely, 2^130640543 is an apocalyptic number.

130640543 is a deficient number, since it is larger than the sum of its proper divisors (14082913).

130640543 is a wasteful number, since it uses less digits than its factorization.

130640543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 130640543 is about 11429.8094034853. The cubic root of 130640543 is about 507.4103547160.

Adding to 130640543 its reverse (345046031), we get a palindrome (475686574).

The spelling of 130640543 in words is "one hundred thirty million, six hundred forty thousand, five hundred forty-three".