130636256 has 24 divisors (see below), whose sum is σ = 258327720. Its totient is φ = 65029248.

The previous prime is 130636243. The next prime is 130636309. The reversal of 130636256 is 652636031.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586 + ... + 16241.

It is an arithmetic number, because the mean of its divisors is an integer number (10763655).

Almost surely, 2^130636256 is an apocalyptic number.

130636256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

130636256 is a deficient number, since it is larger than the sum of its proper divisors (127691464).

130636256 is a wasteful number, since it uses less digits than its factorization.

130636256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18066 (or 18058 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 130636256 is about 11429.6218660111. The cubic root of 130636256 is about 507.4048043921.

The spelling of 130636256 in words is "one hundred thirty million, six hundred thirty-six thousand, two hundred fifty-six".