130568340 has 144 divisors (see below), whose sum is σ = 430920000. Its totient is φ = 29449728.

The previous prime is 130568299. The next prime is 130568359. The reversal of 130568340 is 43865031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 130568298 and 130568307.

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 47 ways as a sum of consecutive naturals, for example, 261411 + ... + 261909.

It is an arithmetic number, because the mean of its divisors is an integer number (2992500).

Almost surely, 2^130568340 is an apocalyptic number.

130568340 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 130568340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215460000).

130568340 is an abundant number, since it is smaller than the sum of its proper divisors (300351660).

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

130568340 is a wasteful number, since it uses less digits than its factorization.

130568340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 130568340 is about 11426.6504278375. The cubic root of 130568340 is about 507.3168582140.

The spelling of 130568340 in words is "one hundred thirty million, five hundred sixty-eight thousand, three hundred forty".