130667749 has 2 divisors, whose sum is σ = 130667750. Its totient is φ = 130667748.

The previous prime is 130667741. The next prime is 130667767. The reversal of 130667749 is 947766031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130370724 + 297025 = 11418^2 + 545^2 .

It is a cyclic number.

It is not a de Polignac number, because 130667749 - 2³ = 130667741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130667741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65333874 + 65333875.

It is an arithmetic number, because the mean of its divisors is an integer number (65333875).

Almost surely, 2^130667749 is an apocalyptic number.

It is an amenable number.

130667749 is a deficient number, since it is larger than the sum of its proper divisors (1).

130667749 is an equidigital number, since it uses as much as digits as its factorization.

130667749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 130667749 is about 11430.9994751115. Note that the first 3 decimals coincide. The cubic root of 130667749 is about 507.4455751451.

The spelling of 130667749 in words is "one hundred thirty million, six hundred sixty-seven thousand, seven hundred forty-nine".