130434023646 has 24 divisors (see below), whose sum is σ = 282992628360. Its totient is φ = 43418688336.

The previous prime is 130434023633. The next prime is 130434023683. The reversal of 130434023646 is 646320434031.

130434023646 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 3 + 4 + 0 + 2 + 3 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 130434023646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4929736 + ... + 4956123.

It is an arithmetic number, because the mean of its divisors is an integer number (11791359515).

Almost surely, 2^130434023646 is an apocalyptic number.

130434023646 is an abundant number, since it is smaller than the sum of its proper divisors (152558604714).

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

130434023646 is a wasteful number, since it uses less digits than its factorization.

130434023646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9886600 (or 9886597 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 130434023646 its reverse (646320434031), we get a palindrome (776754457677).

The spelling of 130434023646 in words is "one hundred thirty billion, four hundred thirty-four million, twenty-three thousand, six hundred forty-six".