130605863940 has 96 divisors (see below), whose sum is σ = 406952703360. Its totient is φ = 34774800768.

The previous prime is 130605863933. The next prime is 130605863959. The reversal of 130605863940 is 49368506031.

130605863940 is a `hidden beast` number, since 1 + 3 + 0 + 6 + 0 + 5 + 8 + 639 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 31 ways as a sum of consecutive naturals, for example, 167427 + ... + 537813.

It is an arithmetic number, because the mean of its divisors is an integer number (4239090660).

Almost surely, 2^130605863940 is an apocalyptic number.

130605863940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130605863940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203476351680).

130605863940 is an abundant number, since it is smaller than the sum of its proper divisors (276346839420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130605863940 is a wasteful number, since it uses less digits than its factorization.

130605863940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371058 (or 371050 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 130605863940 in words is "one hundred thirty billion, six hundred five million, eight hundred sixty-three thousand, nine hundred forty".