130640630 has 8 divisors (see below), whose sum is σ = 235153152. Its totient is φ = 52256248.

The previous prime is 130640617. The next prime is 130640651. The reversal of 130640630 is 36046031.

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 = 130640596 and 130640605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6532022 + ... + 6532041.

It is an arithmetic number, because the mean of its divisors is an integer number (29394144).

Almost surely, 2^130640630 is an apocalyptic number.

130640630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130640630 is a deficient number, since it is larger than the sum of its proper divisors (104512522).

130640630 is a wasteful number, since it uses less digits than its factorization.

130640630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13064070.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 130640630 is about 11429.8132093224. The cubic root of 130640630 is about 507.4104673526.

Adding to 130640630 its reverse (36046031), we get a palindrome (166686661).

The spelling of 130640630 in words is "one hundred thirty million, six hundred forty thousand, six hundred thirty".