130644236 has 12 divisors (see below), whose sum is σ = 228708480. Its totient is φ = 65298960.

The previous prime is 130644223. The next prime is 130644251. The reversal of 130644236 is 632446031.

It is a junction number, because it is equal to n+sod(n) for n = 130644199 and 130644208.

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, 16085 + ... + 22803.

It is an arithmetic number, because the mean of its divisors is an integer number (19059040).

Almost surely, 2^130644236 is an apocalyptic number.

It is an amenable number.

130644236 is a deficient number, since it is larger than the sum of its proper divisors (98064244).

130644236 is a wasteful number, since it uses less digits than its factorization.

130644236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11584 (or 11582 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 130644236 is about 11429.9709535939. The cubic root of 130644236 is about 507.4151358984.

The spelling of 130644236 in words is "one hundred thirty million, six hundred forty-four thousand, two hundred thirty-six".