130725786 has 16 divisors (see below), whose sum is σ = 261600768. Its totient is φ = 43550400.

The previous prime is 130725779. The next prime is 130725809. The reversal of 130725786 is 687527031.

It is a super-2 number, since 2×130725786² = 34178462250635592, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7506 + ... + 17826.

It is an arithmetic number, because the mean of its divisors is an integer number (16350048).

Almost surely, 2^130725786 is an apocalyptic number.

130725786 is an abundant number, since it is smaller than the sum of its proper divisors (130874982).

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

130725786 is a wasteful number, since it uses less digits than its factorization.

130725786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12437.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 130725786 is about 11433.5377727106. The cubic root of 130725786 is about 507.5206925323.

The spelling of 130725786 in words is "one hundred thirty million, seven hundred twenty-five thousand, seven hundred eighty-six".