130209660 has 384 divisors, whose sum is σ = 510720000. Its totient is φ = 27433728.

The previous prime is 130209643. The next prime is 130209701. The reversal of 130209660 is 66902031.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3519162 + ... + 3519198.

It is an arithmetic number, because the mean of its divisors is an integer number (1330000).

Almost surely, 2^130209660 is an apocalyptic number.

130209660 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 130209660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255360000).

130209660 is an abundant number, since it is smaller than the sum of its proper divisors (380510340).

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

130209660 is a wasteful number, since it uses less digits than its factorization.

130209660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 130209660 is about 11410.9447461637. The cubic root of 130209660 is about 506.8518876903.

The spelling of 130209660 in words is "one hundred thirty million, two hundred nine thousand, six hundred sixty".