130782786 has 8 divisors (see below), whose sum is σ = 261565584. Its totient is φ = 43594260.

The previous prime is 130782767. The next prime is 130782787. The reversal of 130782786 is 687287031.

It is a sphenic number, since it is the product of 3 distinct primes.

130782786 is an admirable number.

It is a super-2 number, since 2×130782786² = 34208274227843592, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130782787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10898560 + ... + 10898571.

It is an arithmetic number, because the mean of its divisors is an integer number (32695698).

Almost surely, 2^130782786 is an apocalyptic number.

130782786 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

130782786 is a wasteful number, since it uses less digits than its factorization.

130782786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21797136.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 130782786 is about 11436.0301678511. The cubic root of 130782786 is about 507.5944460914.

The spelling of 130782786 in words is "one hundred thirty million, seven hundred eighty-two thousand, seven hundred eighty-six".