130040043 has 16 divisors (see below), whose sum is σ = 200202240. Its totient is φ = 73541376.

The previous prime is 130040039. The next prime is 130040077. The reversal of 130040043 is 340040031.

It is not a de Polignac number, because 130040043 - 2² = 130040039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130040033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29883 + ... + 33956.

It is an arithmetic number, because the mean of its divisors is an integer number (12512640).

Almost surely, 2^130040043 is an apocalyptic number.

130040043 is a deficient number, since it is larger than the sum of its proper divisors (70162197).

130040043 is an equidigital number, since it uses as much as digits as its factorization.

130040043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63946.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 130040043 is about 11403.5101175033. The cubic root of 130040043 is about 506.6317093168.

Adding to 130040043 its reverse (340040031), we get a palindrome (470080074).

The spelling of 130040043 in words is "one hundred thirty million, forty thousand, forty-three".