130398660 has 144 divisors (see below), whose sum is σ = 468913536. Its totient is φ = 29797632.

The previous prime is 130398643. The next prime is 130398677. The reversal of 130398660 is 66893031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (130398643) and next prime (130398677).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32104 + ... + 35936.

It is an arithmetic number, because the mean of its divisors is an integer number (3256344).

Almost surely, 2^130398660 is an apocalyptic number.

130398660 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 130398660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234456768).

130398660 is an abundant number, since it is smaller than the sum of its proper divisors (338514876).

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

130398660 is a wasteful number, since it uses less digits than its factorization.

130398660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864 (or 3850 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 130398660 is about 11419.2232660545. The cubic root of 130398660 is about 507.0970018524.

The spelling of 130398660 in words is "one hundred thirty million, three hundred ninety-eight thousand, six hundred sixty".