2136937185 has 24 divisors (see below), whose sum is σ = 3705307944. Its totient is φ = 1139304960.

The previous prime is 2136937171. The next prime is 2136937217. The reversal of 2136937185 is 5817396312.

2136937185 is a `hidden beast` number, since 213 + 69 + 371 + 8 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 603979776 + 1532957409 = 24576^2 + 39153^2 .

It is not a de Polignac number, because 2136937185 - 2⁹ = 2136936673 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2136937185.

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 23 ways as a sum of consecutive naturals, for example, 161625 + ... + 174345.

It is an arithmetic number, because the mean of its divisors is an integer number (154387831).

Almost surely, 2^2136937185 is an apocalyptic number.

It is an amenable number.

2136937185 is a deficient number, since it is larger than the sum of its proper divisors (1568370759).

2136937185 is a wasteful number, since it uses less digits than its factorization.

2136937185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16465 (or 16462 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 2136937185 is about 46227.0179116066. The cubic root of 2136937185 is about 1288.0436634456.

The spelling of 2136937185 in words is "two billion, one hundred thirty-six million, nine hundred thirty-seven thousand, one hundred eighty-five".