130618260 has 72 divisors (see below), whose sum is σ = 400346856. Its totient is φ = 34467840.

The previous prime is 130618253. The next prime is 130618261. The reversal of 130618260 is 62816031.

It can be written as a sum of positive squares in 4 ways, for example, as 30338064 + 100280196 = 5508^2 + 10014^2 .

It is a super-2 number, since 2×130618260² = 34122259690855200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130618261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13720 + ... + 21200.

It is an arithmetic number, because the mean of its divisors is an integer number (5560373).

Almost surely, 2^130618260 is an apocalyptic number.

130618260 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 130618260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200173428).

130618260 is an abundant number, since it is smaller than the sum of its proper divisors (269728596).

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

130618260 is a wasteful number, since it uses less digits than its factorization.

130618260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7593 (or 7588 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 130618260 is about 11428.8345862559. The cubic root of 130618260 is about 507.3815038770.

It can be divided in two parts, 13061 and 8260, that added together give a triangular number (21321 = T₂₀₆).

The spelling of 130618260 in words is "one hundred thirty million, six hundred eighteen thousand, two hundred sixty".