130668338 has 4 divisors (see below), whose sum is σ = 196002510. Its totient is φ = 65334168.

The previous prime is 130668289. The next prime is 130668361. The reversal of 130668338 is 833866031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 833866031 = 17 ⋅49050943.

It can be written as a sum of positive squares in only one way, i.e., 117440569 + 13227769 = 10837^2 + 3637^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32667083 + ... + 32667086.

Almost surely, 2^130668338 is an apocalyptic number.

130668338 is a deficient number, since it is larger than the sum of its proper divisors (65334172).

130668338 is an equidigital number, since it uses as much as digits as its factorization.

130668338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65334171.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 130668338 is about 11431.0252383590. The cubic root of 130668338 is about 507.4463376005.

The spelling of 130668338 in words is "one hundred thirty million, six hundred sixty-eight thousand, three hundred thirty-eight".