2136011634 has 20 divisors (see below), whose sum is σ = 4786248654. Its totient is φ = 712003824.

The previous prime is 2136011629. The next prime is 2136011681. The reversal of 2136011634 is 4361106312.

2136011634 is a `hidden beast` number, since 2 + 13 + 6 + 0 + 11 + 634 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2012868225 + 123143409 = 44865^2 + 11097^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2136011598 and 2136011607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6592467 + ... + 6592790.

Almost surely, 2^2136011634 is an apocalyptic number.

2136011634 is an abundant number, since it is smaller than the sum of its proper divisors (2650237020).

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

2136011634 is a wasteful number, since it uses less digits than its factorization.

2136011634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13185271 (or 13185262 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2136011634 is about 46217.0058960985. The cubic root of 2136011634 is about 1287.8576772804.

Adding to 2136011634 its reverse (4361106312), we get a palindrome (6497117946).

The spelling of 2136011634 in words is "two billion, one hundred thirty-six million, eleven thousand, six hundred thirty-four".