130145808 has 80 divisors (see below), whose sum is σ = 370976256. Its totient is φ = 39060480.

The previous prime is 130145797. The next prime is 130145809. The reversal of 130145808 is 808541031.

It is not an unprimeable number, because it can be changed into a prime (130145809) 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 15 ways as a sum of consecutive naturals, for example, 23041 + ... + 28127.

Almost surely, 2^130145808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130145808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185488128).

130145808 is an abundant number, since it is smaller than the sum of its proper divisors (240830448).

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

130145808 is a wasteful number, since it uses less digits than its factorization.

130145808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5152 (or 5146 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 130145808 is about 11408.1465628734. The cubic root of 130145808 is about 506.7690244109.

Adding to 130145808 its reverse (808541031), we get a palindrome (938686839).

The spelling of 130145808 in words is "one hundred thirty million, one hundred forty-five thousand, eight hundred eight".