130530918 has 32 divisors (see below), whose sum is σ = 299920896. Its totient is φ = 37099008.

The previous prime is 130530887. The next prime is 130530919. The reversal of 130530918 is 819035031.

It is a happy number.

130530918 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130530919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55 + ... + 16157.

It is an arithmetic number, because the mean of its divisors is an integer number (9372528).

Almost surely, 2^130530918 is an apocalyptic number.

130530918 is an abundant number, since it is smaller than the sum of its proper divisors (169389978).

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

130530918 is a wasteful number, since it uses less digits than its factorization.

130530918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16308.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 130530918 is about 11425.0128227499. The cubic root of 130530918 is about 507.2683864698.

Adding to 130530918 its reverse (819035031), we get a palindrome (949565949).

It can be divided in two parts, 1305 and 30918, that added together give a palindrome (32223).

The spelling of 130530918 in words is "one hundred thirty million, five hundred thirty thousand, nine hundred eighteen".