130781826 has 48 divisors (see below), whose sum is σ = 340891200. Its totient is φ = 35398944.

The previous prime is 130781813. The next prime is 130781857. The reversal of 130781826 is 628187031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24921 + ... + 29708.

It is an arithmetic number, because the mean of its divisors is an integer number (7101900).

Almost surely, 2^130781826 is an apocalyptic number.

130781826 is an abundant number, since it is smaller than the sum of its proper divisors (210109374).

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

130781826 is a wasteful number, since it uses less digits than its factorization.

130781826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54663 (or 54660 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 130781826 is about 11435.9881951670. The cubic root of 130781826 is about 507.5932041036.

The spelling of 130781826 in words is "one hundred thirty million, seven hundred eighty-one thousand, eight hundred twenty-six".