130136256 has 42 divisors (see below), whose sum is σ = 373013732. Its totient is φ = 43378560.

The previous prime is 130136219. The next prime is 130136261. The reversal of 130136256 is 652631031.

130136256 is a `hidden beast` number, since 1 + 30 + 1 + 3 + 625 + 6 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112390 + ... + 113541.

Almost surely, 2^130136256 is an apocalyptic number.

130136256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

130136256 is an abundant number, since it is smaller than the sum of its proper divisors (242877476).

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

130136256 is a wasteful number, since it uses less digits than its factorization.

130136256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225949 (or 225936 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 130136256 is about 11407.7279069936. The cubic root of 130136256 is about 506.7566260703.

Adding to 130136256 its reverse (652631031), we get a palindrome (782767287).

The spelling of 130136256 in words is "one hundred thirty million, one hundred thirty-six thousand, two hundred fifty-six".