130543436 has 12 divisors (see below), whose sum is σ = 230669712. Its totient is φ = 64637808.

The previous prime is 130543417. The next prime is 130543489. The reversal of 130543436 is 634345031.

It is a junction number, because it is equal to n+sod(n) for n = 130543399 and 130543408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158015 + ... + 158838.

It is an arithmetic number, because the mean of its divisors is an integer number (19222476).

Almost surely, 2^130543436 is an apocalyptic number.

It is an amenable number.

130543436 is a deficient number, since it is larger than the sum of its proper divisors (100126276).

130543436 is a wasteful number, since it uses less digits than its factorization.

130543436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316960 (or 316958 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 130543436 is about 11425.5606426993. The cubic root of 130543436 is about 507.2846017410.

Adding to 130543436 its reverse (634345031), we get a palindrome (764888467).

The spelling of 130543436 in words is "one hundred thirty million, five hundred forty-three thousand, four hundred thirty-six".