130861784 has 32 divisors (see below), whose sum is σ = 262951920. Its totient is φ = 60834816.

The previous prime is 130861777. The next prime is 130861799. The reversal of 130861784 is 487168031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5492 + ... + 17084.

Almost surely, 2^130861784 is an apocalyptic number.

It is an amenable number.

130861784 is an abundant number, since it is smaller than the sum of its proper divisors (132090136).

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

130861784 is a wasteful number, since it uses less digits than its factorization.

130861784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11699 (or 11695 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 130861784 is about 11439.4835547764. The cubic root of 130861784 is about 507.6966279258.

The spelling of 130861784 in words is "one hundred thirty million, eight hundred sixty-one thousand, seven hundred eighty-four".