130051980 has 60 divisors (see below), whose sum is σ = 407982960. Its totient is φ = 34680096.

The previous prime is 130051967. The next prime is 130051981. The reversal of 130051980 is 89150031.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (130051981) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38520 + ... + 41759.

It is an arithmetic number, because the mean of its divisors is an integer number (6799716).

Almost surely, 2^130051980 is an apocalyptic number.

130051980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130051980 is an abundant number, since it is smaller than the sum of its proper divisors (277930980).

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

130051980 is a wasteful number, since it uses less digits than its factorization.

130051980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80300 (or 80289 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 130051980 is about 11404.0334969694. The cubic root of 130051980 is about 506.6472108950.

The spelling of 130051980 in words is "one hundred thirty million, fifty-one thousand, nine hundred eighty".