130387056 has 20 divisors (see below), whose sum is σ = 336833352. Its totient is φ = 43462336.

The previous prime is 130387013. The next prime is 130387057. The reversal of 130387056 is 650783031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130387057) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1358151 + ... + 1358246.

Almost surely, 2^130387056 is an apocalyptic number.

130387056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

130387056 is an abundant number, since it is smaller than the sum of its proper divisors (206446296).

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

130387056 is a wasteful number, since it uses less digits than its factorization.

130387056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716408 (or 2716402 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 130387056 is about 11418.7151641505. The cubic root of 130387056 is about 507.0819594479.

The spelling of 130387056 in words is "one hundred thirty million, three hundred eighty-seven thousand, fifty-six".