130221140 has 48 divisors (see below), whose sum is σ = 315487872. Its totient is φ = 44224896.

The previous prime is 130221121. The next prime is 130221187. The reversal of 130221140 is 41122031.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10634 + ... + 19326.

It is an arithmetic number, because the mean of its divisors is an integer number (6572664).

Almost surely, 2^130221140 is an apocalyptic number.

130221140 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 130221140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157743936).

130221140 is an abundant number, since it is smaller than the sum of its proper divisors (185266732).

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

130221140 is a wasteful number, since it uses less digits than its factorization.

130221140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8816 (or 8814 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 130221140 is about 11411.4477609110. The cubic root of 130221140 is about 506.8667828695.

Adding to 130221140 its reverse (41122031), we get a palindrome (171343171).

The spelling of 130221140 in words is "one hundred thirty million, two hundred twenty-one thousand, one hundred forty".