130305733 has 2 divisors, whose sum is σ = 130305734. Its totient is φ = 130305732.

The previous prime is 130305727. The next prime is 130305737. The reversal of 130305733 is 337503031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108618084 + 21687649 = 10422^2 + 4657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130305733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130305698 and 130305707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130305737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65152866 + 65152867.

It is an arithmetic number, because the mean of its divisors is an integer number (65152867).

Almost surely, 2^130305733 is an apocalyptic number.

It is an amenable number.

130305733 is a deficient number, since it is larger than the sum of its proper divisors (1).

130305733 is an equidigital number, since it uses as much as digits as its factorization.

130305733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 25.

The square root of 130305733 is about 11415.1536564341. The cubic root of 130305733 is about 506.9765144143.

Adding to 130305733 its reverse (337503031), we get a palindrome (467808764).

The spelling of 130305733 in words is "one hundred thirty million, three hundred five thousand, seven hundred thirty-three".