130669393 has 2 divisors, whose sum is σ = 130669394. Its totient is φ = 130669392.

The previous prime is 130669369. The next prime is 130669421. The reversal of 130669393 is 393966031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87740689 + 42928704 = 9367^2 + 6552^2 .

It is an emirp because it is prime and its reverse (393966031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130669393 - 2¹⁷ = 130538321 is a prime.

It is a super-3 number, since 3×130669393³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (130669333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65334696 + 65334697.

It is an arithmetic number, because the mean of its divisors is an integer number (65334697).

Almost surely, 2^130669393 is an apocalyptic number.

It is an amenable number.

130669393 is a deficient number, since it is larger than the sum of its proper divisors (1).

130669393 is an equidigital number, since it uses as much as digits as its factorization.

130669393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 40.

The square root of 130669393 is about 11431.0713846078. The cubic root of 130669393 is about 507.4477032832.

The spelling of 130669393 in words is "one hundred thirty million, six hundred sixty-nine thousand, three hundred ninety-three".