2136129056 has 12 divisors (see below), whose sum is σ = 4205504142. Its totient is φ = 1068064512.

The previous prime is 2136129019. The next prime is 2136129077. The reversal of 2136129056 is 6509216312.

It can be written as a sum of positive squares in only one way, i.e., 1452829456 + 683299600 = 38116^2 + 26140^2 .

It is a super-2 number, since 2×2136129056² = 9126094687774902272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33376985 + ... + 33377048.

Almost surely, 2^2136129056 is an apocalyptic number.

It is an amenable number.

2136129056 is a deficient number, since it is larger than the sum of its proper divisors (2069375086).

2136129056 is an equidigital number, since it uses as much as digits as its factorization.

2136129056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66754043 (or 66754035 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2136129056 is about 46218.2762119056. The cubic root of 2136129056 is about 1287.8812757869.

The spelling of 2136129056 in words is "two billion, one hundred thirty-six million, one hundred twenty-nine thousand, fifty-six".