130306957 has 6 divisors (see below), whose sum is σ = 143230094. Its totient is φ = 118460760.

The previous prime is 130306951. The next prime is 130306963. The reversal of 130306957 is 759603031.

It is an interprime number because it is at equal distance from previous prime (130306951) and next prime (130306963).

It can be written as a sum of positive squares in only one way, i.e., 86601636 + 43705321 = 9306^2 + 6611^2 .

It is not a de Polignac number, because 130306957 - 2⁷ = 130306829 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 (130306951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 538338 + ... + 538579.

Almost surely, 2^130306957 is an apocalyptic number.

It is an amenable number.

130306957 is a deficient number, since it is larger than the sum of its proper divisors (12923137).

130306957 is a wasteful number, since it uses less digits than its factorization.

130306957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076939 (or 1076928 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 130306957 is about 11415.2072692527. The cubic root of 130306957 is about 506.9781018024.

Adding to 130306957 its reverse (759603031), we get a palindrome (889909988).

The spelling of 130306957 in words is "one hundred thirty million, three hundred six thousand, nine hundred fifty-seven".