2136678012 has 72 divisors (see below), whose sum is σ = 6441017856. Its totient is φ = 583935264.

The previous prime is 2136677999. The next prime is 2136678023. The reversal of 2136678012 is 2108766312.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178528 + ... + 190119.

Almost surely, 2^2136678012 is an apocalyptic number.

It is an amenable number.

2136678012 is an abundant number, since it is smaller than the sum of its proper divisors (4304339844).

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

2136678012 is a wasteful number, since it uses less digits than its factorization.

2136678012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368687 (or 368682 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2136678012 is about 46224.2145633649. The cubic root of 2136678012 is about 1287.9915889720.

The spelling of 2136678012 in words is "two billion, one hundred thirty-six million, six hundred seventy-eight thousand, twelve".