130434018 has 64 divisors (see below), whose sum is σ = 308133504. Its totient is φ = 36288000.

The previous prime is 130433999. The next prime is 130434041. The reversal of 130434018 is 810434031.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240828 + ... + 241368.

It is an arithmetic number, because the mean of its divisors is an integer number (4814586).

Almost surely, 2^130434018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130434018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154066752).

130434018 is an abundant number, since it is smaller than the sum of its proper divisors (177699486).

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

130434018 is a wasteful number, since it uses less digits than its factorization.

130434018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 130434018 is about 11420.7713399752. The cubic root of 130434018 is about 507.1428313505.

Adding to 130434018 its reverse (810434031), we get a palindrome (940868049).

The spelling of 130434018 in words is "one hundred thirty million, four hundred thirty-four thousand, eighteen".