130633818 has 32 divisors (see below), whose sum is σ = 303492480. Its totient is φ = 36711360.

The previous prime is 130633807. The next prime is 130633837. The reversal of 130633818 is 818336031.

It is a happy number.

It is an unprimeable number.

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, 22933 + ... + 28056.

It is an arithmetic number, because the mean of its divisors is an integer number (9484140).

Almost surely, 2^130633818 is an apocalyptic number.

130633818 is an abundant number, since it is smaller than the sum of its proper divisors (172858662).

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

130633818 is a wasteful number, since it uses less digits than its factorization.

130633818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51062.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 130633818 is about 11429.5152128163. The cubic root of 130633818 is about 507.4016478906.

Adding to 130633818 its reverse (818336031), we get a palindrome (948969849).

The spelling of 130633818 in words is "one hundred thirty million, six hundred thirty-three thousand, eight hundred eighteen".