2136313785 has 16 divisors (see below), whose sum is σ = 3431408256. Its totient is φ = 1134931968.

The previous prime is 2136313783. The next prime is 2136313787. The reversal of 2136313785 is 5873136312.

It is an interprime number because it is at equal distance from previous prime (2136313783) and next prime (2136313787).

It is not a de Polignac number, because 2136313785 - 2¹ = 2136313783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2136313783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273229 + ... + 280938.

It is an arithmetic number, because the mean of its divisors is an integer number (214463016).

Almost surely, 2^2136313785 is an apocalyptic number.

It is an amenable number.

2136313785 is a deficient number, since it is larger than the sum of its proper divisors (1295094471).

2136313785 is a wasteful number, since it uses less digits than its factorization.

2136313785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554432.

The product of its digits is 90720, while the sum is 39.

The square root of 2136313785 is about 46220.2746097424. The cubic root of 2136313785 is about 1287.9183993495.

The spelling of 2136313785 in words is "two billion, one hundred thirty-six million, three hundred thirteen thousand, seven hundred eighty-five".