130718249 has 2 divisors, whose sum is σ = 130718250. Its totient is φ = 130718248.

The previous prime is 130718221. The next prime is 130718257. The reversal of 130718249 is 942817031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126337600 + 4380649 = 11240^2 + 2093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130718249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130718279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65359124 + 65359125.

It is an arithmetic number, because the mean of its divisors is an integer number (65359125).

Almost surely, 2^130718249 is an apocalyptic number.

It is an amenable number.

130718249 is a deficient number, since it is larger than the sum of its proper divisors (1).

130718249 is an equidigital number, since it uses as much as digits as its factorization.

130718249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 130718249 is about 11433.2081674393. The cubic root of 130718249 is about 507.5109386368.

The spelling of 130718249 in words is "one hundred thirty million, seven hundred eighteen thousand, two hundred forty-nine".