2136861068 has 12 divisors (see below), whose sum is σ = 3936323160. Its totient is φ = 1012197312.

The previous prime is 2136861029. The next prime is 2136861091. The reversal of 2136861068 is 8601686312.

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, 14058221 + ... + 14058372.

It is an arithmetic number, because the mean of its divisors is an integer number (328026930).

Almost surely, 2^2136861068 is an apocalyptic number.

It is an amenable number.

2136861068 is a deficient number, since it is larger than the sum of its proper divisors (1799462092).

2136861068 is a wasteful number, since it uses less digits than its factorization.

2136861068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28116616 (or 28116614 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 2136861068 is about 46226.1946086848. The cubic root of 2136861068 is about 1288.0283700334.

The spelling of 2136861068 in words is "two billion, one hundred thirty-six million, eight hundred sixty-one thousand, sixty-eight".