130671561780 has 72 divisors (see below), whose sum is σ = 417232015200. Its totient is φ = 33011762112.

The previous prime is 130671561733. The next prime is 130671561817. The reversal of 130671561780 is 87165176031.

130671561780 is a `hidden beast` number, since 1 + 3 + 0 + 6 + 7 + 1 + 561 + 7 + 80 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19100610 + ... + 19107449.

It is an arithmetic number, because the mean of its divisors is an integer number (5794889100).

Almost surely, 2^130671561780 is an apocalyptic number.

130671561780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130671561780 is an abundant number, since it is smaller than the sum of its proper divisors (286560453420).

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

130671561780 is a wasteful number, since it uses less digits than its factorization.

130671561780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38208093 (or 38208088 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 130671561780 in words is "one hundred thirty billion, six hundred seventy-one million, five hundred sixty-one thousand, seven hundred eighty".