130320133 has 4 divisors (see below), whose sum is σ = 130343148. Its totient is φ = 130297120.

The previous prime is 130320109. The next prime is 130320137. The reversal of 130320133 is 331023031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 39727809 + 90592324 = 6303^2 + 9518^2 .

It is a cyclic number.

It is not a de Polignac number, because 130320133 - 2⁵ = 130320101 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 (130320137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3585 + ... + 16537.

It is an arithmetic number, because the mean of its divisors is an integer number (32585787).

Almost surely, 2^130320133 is an apocalyptic number.

It is an amenable number.

130320133 is a deficient number, since it is larger than the sum of its proper divisors (23015).

130320133 is a wasteful number, since it uses less digits than its factorization.

130320133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23014.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 130320133 is about 11415.7843795335. The cubic root of 130320133 is about 506.9951889391.

Adding to 130320133 its reverse (331023031), we get a palindrome (461343164).

The spelling of 130320133 in words is "one hundred thirty million, three hundred twenty thousand, one hundred thirty-three".