130726816 has 24 divisors (see below), whose sum is σ = 280766304. Its totient is φ = 59421120.

The previous prime is 130726811. The next prime is 130726829. The reversal of 130726816 is 618627031.

It is not an unprimeable number, because it can be changed into a prime (130726811) 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, 185340 + ... + 186043.

It is an arithmetic number, because the mean of its divisors is an integer number (11698596).

Almost surely, 2^130726816 is an apocalyptic number.

130726816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

130726816 is an abundant number, since it is smaller than the sum of its proper divisors (150039488).

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

130726816 is a wasteful number, since it uses less digits than its factorization.

130726816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371404 (or 371396 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 130726816 is about 11433.5828155482. The cubic root of 130726816 is about 507.5220254623.

The spelling of 130726816 in words is "one hundred thirty million, seven hundred twenty-six thousand, eight hundred sixteen".