130605695986 has 4 divisors (see below), whose sum is σ = 195908543982. Its totient is φ = 65302847992.

The previous prime is 130605695971. The next prime is 130605696031. The reversal of 130605695986 is 689596506031.

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., 87104668225 + 43501027761 = 295135^2 + 208569^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 130605695986.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32651423995 + ... + 32651423998.

Almost surely, 2^130605695986 is an apocalyptic number.

130605695986 is a deficient number, since it is larger than the sum of its proper divisors (65302847996).

130605695986 is an equidigital number, since it uses as much as digits as its factorization.

130605695986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65302847995.

The product of its (nonzero) digits is 10497600, while the sum is 58.

The spelling of 130605695986 in words is "one hundred thirty billion, six hundred five million, six hundred ninety-five thousand, nine hundred eighty-six".