130666878836 has 12 divisors (see below), whose sum is σ = 246256810212. Its totient is φ = 60307790208.

The previous prime is 130666878827. The next prime is 130666878871. The reversal of 130666878836 is 638878666031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62478001936 + 68188876900 = 249956^2 + 261130^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256412245 + ... + 1256412348.

It is an arithmetic number, because the mean of its divisors is an integer number (20521400851).

Almost surely, 2^130666878836 is an apocalyptic number.

It is an amenable number.

130666878836 is a deficient number, since it is larger than the sum of its proper divisors (115589931376).

130666878836 is a wasteful number, since it uses less digits than its factorization.

130666878836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512824610 (or 2512824608 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 62.

The spelling of 130666878836 in words is "one hundred thirty billion, six hundred sixty-six million, eight hundred seventy-eight thousand, eight hundred thirty-six".