130865229872 has 80 divisors (see below), whose sum is σ = 276809803872. Its totient is φ = 59574528000.

The previous prime is 130865229797. The next prime is 130865229919. The reversal of 130865229872 is 278922568031.

It is a super-2 number, since 2×130865229872² (a number of 23 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 4459247 + ... + 4488497.

Almost surely, 2^130865229872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130865229872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138404901936).

130865229872 is an abundant number, since it is smaller than the sum of its proper divisors (145944574000).

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

130865229872 is a wasteful number, since it uses less digits than its factorization.

130865229872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29566 (or 29560 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 130865229872 in words is "one hundred thirty billion, eight hundred sixty-five million, two hundred twenty-nine thousand, eight hundred seventy-two".