130778933985 has 24 divisors (see below), whose sum is σ = 259066841280. Its totient is φ = 59784655392.

The previous prime is 130778933941. The next prime is 130778933993. The reversal of 130778933985 is 589339877031.

It is not a de Polignac number, because 130778933985 - 2⁸ = 130778933729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207585295 + ... + 207585924.

It is an arithmetic number, because the mean of its divisors is an integer number (10794451720).

Almost surely, 2^130778933985 is an apocalyptic number.

130778933985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130778933985 is a deficient number, since it is larger than the sum of its proper divisors (128287907295).

130778933985 is a wasteful number, since it uses less digits than its factorization.

130778933985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415171237 (or 415171234 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 130778933985 in words is "one hundred thirty billion, seven hundred seventy-eight million, nine hundred thirty-three thousand, nine hundred eighty-five".