2136719730 has 32 divisors (see below), whose sum is σ = 5159600064. Its totient is φ = 566294976.

The previous prime is 2136719723. The next prime is 2136719777. The reversal of 2136719730 is 379176312.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 213589 + ... + 223368.

It is an arithmetic number, because the mean of its divisors is an integer number (161237502).

Almost surely, 2^2136719730 is an apocalyptic number.

2136719730 is an abundant number, since it is smaller than the sum of its proper divisors (3022880334).

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

2136719730 is a wasteful number, since it uses less digits than its factorization.

2136719730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437130.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 2136719730 is about 46224.6658181538. The cubic root of 2136719730 is about 1287.9999714678. Note that the first 4 decimals are identical.

The spelling of 2136719730 in words is "two billion, one hundred thirty-six million, seven hundred nineteen thousand, seven hundred thirty".