130440006 has 12 divisors (see below), whose sum is σ = 282620052. Its totient is φ = 43479996.

The previous prime is 130439987. The next prime is 130440041. The reversal of 130440006 is 600044031.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7246667 = 130440006 / (1 + 3 + 0 + 4 + 4 + 0 + 0 + 0 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3623316 + ... + 3623351.

It is an arithmetic number, because the mean of its divisors is an integer number (23551671).

Almost surely, 2^130440006 is an apocalyptic number.

130440006 is an abundant number, since it is smaller than the sum of its proper divisors (152180046).

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

130440006 is a wasteful number, since it uses less digits than its factorization.

130440006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7246675 (or 7246672 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 130440006 is about 11421.0334908886. The cubic root of 130440006 is about 507.1505919150.

Adding to 130440006 its reverse (600044031), we get a palindrome (730484037).

The spelling of 130440006 in words is "one hundred thirty million, four hundred forty thousand, six".