130715856 has 150 divisors (see below), whose sum is σ = 403044950. Its totient is φ = 40891392.

The previous prime is 130715843. The next prime is 130715867. The reversal of 130715856 is 658517031.

130715856 is a `hidden beast` number, since 1 + 3 + 0 + 71 + 585 + 6 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 68558400 + 62157456 = 8280^2 + 7884^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 130715856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 374370 + ... + 374718.

Almost surely, 2^130715856 is an apocalyptic number.

130715856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130715856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201522475).

130715856 is an abundant number, since it is smaller than the sum of its proper divisors (272329094).

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

130715856 is a wasteful number, since it uses less digits than its factorization.

130715856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 130715856 is about 11433.1035156689. The cubic root of 130715856 is about 507.5078416933.

The spelling of 130715856 in words is "one hundred thirty million, seven hundred fifteen thousand, eight hundred fifty-six".