130494783218 has 4 divisors (see below), whose sum is σ = 195742174830. Its totient is φ = 65247391608.

The previous prime is 130494783179. The next prime is 130494783239. The reversal of 130494783218 is 812387494031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 121659347209 + 8835436009 = 348797^2 + 93997^2 .

It is a super-2 number, since 2×130494783218² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32623695803 + ... + 32623695806.

Almost surely, 2^130494783218 is an apocalyptic number.

130494783218 is a deficient number, since it is larger than the sum of its proper divisors (65247391612).

130494783218 is an equidigital number, since it uses as much as digits as its factorization.

130494783218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65247391611.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 130494783218 in words is "one hundred thirty billion, four hundred ninety-four million, seven hundred eighty-three thousand, two hundred eighteen".