2136243370 has 8 divisors (see below), whose sum is σ = 3845238084. Its totient is φ = 854497344.

The previous prime is 2136243353. The next prime is 2136243371. The reversal of 2136243370 is 733426312.

It can be written as a sum of positive squares in 2 ways, for example, as 2084561649 + 51681721 = 45657^2 + 7189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2136243371) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 106812159 + ... + 106812178.

Almost surely, 2^2136243370 is an apocalyptic number.

2136243370 is a deficient number, since it is larger than the sum of its proper divisors (1708994714).

2136243370 is a wasteful number, since it uses less digits than its factorization.

2136243370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213624344.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 2136243370 is about 46219.5128706480. The cubic root of 2136243370 is about 1287.9042488424.

Adding to 2136243370 its reverse (733426312), we get a palindrome (2869669682).

The spelling of 2136243370 in words is "two billion, one hundred thirty-six million, two hundred forty-three thousand, three hundred seventy".