130133243 has 4 divisors (see below), whose sum is σ = 130166400. Its totient is φ = 130100088.

The previous prime is 130133239. The next prime is 130133251. The reversal of 130133243 is 342331031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130133243 - 2² = 130133239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130133203) 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 3 ways as a sum of consecutive naturals, for example, 9755 + ... + 18852.

It is an arithmetic number, because the mean of its divisors is an integer number (32541600).

Almost surely, 2^130133243 is an apocalyptic number.

130133243 is a deficient number, since it is larger than the sum of its proper divisors (33157).

130133243 is an equidigital number, since it uses as much as digits as its factorization.

130133243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33156.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 130133243 is about 11407.5958466278. The cubic root of 130133243 is about 506.7527151195.

Adding to 130133243 its reverse (342331031), we get a palindrome (472464274).

The spelling of 130133243 in words is "one hundred thirty million, one hundred thirty-three thousand, two hundred forty-three".