130879980 has 432 divisors, whose sum is σ = 537788160. Its totient is φ = 25401600.

The previous prime is 130879963. The next prime is 130879981. The reversal of 130879980 is 89978031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130879981) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1843345 + ... + 1843415.

It is an arithmetic number, because the mean of its divisors is an integer number (1244880).

Almost surely, 2^130879980 is an apocalyptic number.

130879980 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 130879980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268894080).

130879980 is an abundant number, since it is smaller than the sum of its proper divisors (406908180).

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

130879980 is a wasteful number, since it uses less digits than its factorization.

130879980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 130879980 is about 11440.2788427555. The cubic root of 130879980 is about 507.7201581458.

The spelling of 130879980 in words is "one hundred thirty million, eight hundred seventy-nine thousand, nine hundred eighty".