2196312139 has 4 divisors (see below), whose sum is σ = 2510071024. Its totient is φ = 1882553256.

The previous prime is 2196312031. The next prime is 2196312143. The reversal of 2196312139 is 9312136912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2196312139 - 2³¹ = 48828491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2196312098 and 2196312107.

It is not an unprimeable number, because it can be changed into a prime (2196312169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156879432 + ... + 156879445.

It is an arithmetic number, because the mean of its divisors is an integer number (627517756).

Almost surely, 2^2196312139 is an apocalyptic number.

2196312139 is a deficient number, since it is larger than the sum of its proper divisors (313758885).

2196312139 is an equidigital number, since it uses as much as digits as its factorization.

2196312139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313758884.

The product of its digits is 17496, while the sum is 37.

The square root of 2196312139 is about 46864.8283790734. The cubic root of 2196312139 is about 1299.8643130572.

The spelling of 2196312139 in words is "two billion, one hundred ninety-six million, three hundred twelve thousand, one hundred thirty-nine".