68218134130 has 32 divisors (see below), whose sum is σ = 125935009200. Its totient is φ = 26590510080.

The previous prime is 68218134119. The next prime is 68218134151. The reversal of 68218134130 is 3143181286.

It can be written as a sum of positive squares in 8 ways, for example, as 6596525961 + 61621608169 = 81219^2 + 248237^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68218134130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254296 + ... + 448444.

Almost surely, 2^68218134130 is an apocalyptic number.

68218134130 is a deficient number, since it is larger than the sum of its proper divisors (57716875070).

68218134130 is a wasteful number, since it uses less digits than its factorization.

68218134130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195054.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 68218134130 in words is "sixty-eight billion, two hundred eighteen million, one hundred thirty-four thousand, one hundred thirty".