130299749 has 2 divisors, whose sum is σ = 130299750. Its totient is φ = 130299748.

The previous prime is 130299731. The next prime is 130299751. The reversal of 130299749 is 947992031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113571649 + 16728100 = 10657^2 + 4090^2 .

It is a cyclic number.

It is not a de Polignac number, because 130299749 - 2²⁴ = 113522533 is a prime.

Together with 130299751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130299769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65149874 + 65149875.

It is an arithmetic number, because the mean of its divisors is an integer number (65149875).

Almost surely, 2^130299749 is an apocalyptic number.

It is an amenable number.

130299749 is a deficient number, since it is larger than the sum of its proper divisors (1).

130299749 is an equidigital number, since it uses as much as digits as its factorization.

130299749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 130299749 is about 11414.8915456959. The cubic root of 130299749 is about 506.9687537072.

The spelling of 130299749 in words is "one hundred thirty million, two hundred ninety-nine thousand, seven hundred forty-nine".