130787823280 has 20 divisors (see below), whose sum is σ = 304081689312. Its totient is φ = 52315129280.

The previous prime is 130787823259. The next prime is 130787823311. The reversal of 130787823280 is 82328787031.

It is a tau number, because it is divible by the number of its divisors (20).

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, 817423816 + ... + 817423975.

Almost surely, 2^130787823280 is an apocalyptic number.

130787823280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130787823280 is an abundant number, since it is smaller than the sum of its proper divisors (173293866032).

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

130787823280 is a wasteful number, since it uses less digits than its factorization.

130787823280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634847804 (or 1634847798 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 130787823280 in words is "one hundred thirty billion, seven hundred eighty-seven million, eight hundred twenty-three thousand, two hundred eighty".