2081333137 has 8 divisors (see below), whose sum is σ = 2373285096. Its totient is φ = 1808216832.

The previous prime is 2081333119. The next prime is 2081333153. The reversal of 2081333137 is 7313331802.

It can be written as a sum of positive squares in 4 ways, for example, as 607080321 + 1474252816 = 24639^2 + 38396^2 .

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

It is not a de Polignac number, because 2081333137 - 2²⁷ = 1947115409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2081333099 and 2081333108.

It is not an unprimeable number, because it can be changed into a prime (2081333437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4708678 + ... + 4709119.

It is an arithmetic number, because the mean of its divisors is an integer number (296660637).

Almost surely, 2^2081333137 is an apocalyptic number.

It is an amenable number.

2081333137 is a deficient number, since it is larger than the sum of its proper divisors (291951959).

2081333137 is a wasteful number, since it uses less digits than its factorization.

2081333137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9417827.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 2081333137 is about 45621.6301440446. The cubic root of 2081333137 is about 1276.7735179591.

Adding to 2081333137 its reverse (7313331802), we get a palindrome (9394664939).

The spelling of 2081333137 in words is "two billion, eighty-one million, three hundred thirty-three thousand, one hundred thirty-seven".