130400818 has 8 divisors (see below), whose sum is σ = 201911040. Its totient is φ = 63097140.

The previous prime is 130400813. The next prime is 130400833. The reversal of 130400818 is 818004031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 130400792 and 130400801.

It is not an unprimeable number, because it can be changed into a prime (130400813) 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 3 ways as a sum of consecutive naturals, for example, 1051558 + ... + 1051681.

It is an arithmetic number, because the mean of its divisors is an integer number (25238880).

Almost surely, 2^130400818 is an apocalyptic number.

130400818 is a deficient number, since it is larger than the sum of its proper divisors (71510222).

130400818 is a wasteful number, since it uses less digits than its factorization.

130400818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103272.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 130400818 is about 11419.3177554528. The cubic root of 130400818 is about 507.0997991953.

Adding to 130400818 its reverse (818004031), we get a palindrome (948404849).

The spelling of 130400818 in words is "one hundred thirty million, four hundred thousand, eight hundred eighteen".