130618529 has 2 divisors, whose sum is σ = 130618530. Its totient is φ = 130618528.

The previous prime is 130618517. The next prime is 130618561. The reversal of 130618529 is 925816031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112360000 + 18258529 = 10600^2 + 4273^2 .

It is a cyclic number.

It is not a de Polignac number, because 130618529 - 2⁸ = 130618273 is a prime.

It is a super-2 number, since 2×130618529² = 34122400236247682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130678529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65309264 + 65309265.

It is an arithmetic number, because the mean of its divisors is an integer number (65309265).

Almost surely, 2^130618529 is an apocalyptic number.

It is an amenable number.

130618529 is a deficient number, since it is larger than the sum of its proper divisors (1).

130618529 is an equidigital number, since it uses as much as digits as its factorization.

130618529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 130618529 is about 11428.8463547289. The cubic root of 130618529 is about 507.3818521834.

The spelling of 130618529 in words is "one hundred thirty million, six hundred eighteen thousand, five hundred twenty-nine".