130032406 has 16 divisors (see below), whose sum is σ = 223098624. Its totient is φ = 55681704.

The previous prime is 130032403. The next prime is 130032421. The reversal of 130032406 is 604230031.

It is a super-2 number, since 2×130032406² = 33816853220297672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130032403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17631 + ... + 23893.

It is an arithmetic number, because the mean of its divisors is an integer number (13943664).

Almost surely, 2^130032406 is an apocalyptic number.

130032406 is a deficient number, since it is larger than the sum of its proper divisors (93066218).

130032406 is a wasteful number, since it uses less digits than its factorization.

130032406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7755.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 130032406 is about 11403.1752595494. The cubic root of 130032406 is about 506.6217912894.

Adding to 130032406 its reverse (604230031), we get a palindrome (734262437).

The spelling of 130032406 in words is "one hundred thirty million, thirty-two thousand, four hundred six".