136130056 has 8 divisors (see below), whose sum is σ = 255243870. Its totient is φ = 68065024.

The previous prime is 136130011. The next prime is 136130081. The reversal of 136130056 is 650031631.

It can be written as a sum of positive squares in only one way, i.e., 127916100 + 8213956 = 11310^2 + 2866^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 136130056.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8508121 + ... + 8508136.

Almost surely, 2^136130056 is an apocalyptic number.

It is an amenable number.

136130056 is a deficient number, since it is larger than the sum of its proper divisors (119113814).

136130056 is a wasteful number, since it uses less digits than its factorization.

136130056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17016263 (or 17016259 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 136130056 is about 11667.4785622259. The cubic root of 136130056 is about 514.4201926693.

Adding to 136130056 its reverse (650031631), we get a palindrome (786161687).

The spelling of 136130056 in words is "one hundred thirty-six million, one hundred thirty thousand, fifty-six".