2107845137 has 8 divisors (see below), whose sum is σ = 2163074760. Its totient is φ = 2052797440.

The previous prime is 2107845083. The next prime is 2107845163. The reversal of 2107845137 is 7315487012.

It can be written as a sum of positive squares in 4 ways, for example, as 389825536 + 1718019601 = 19744^2 + 41449^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2107845137 - 2⁸ = 2107844881 is a prime.

It is a super-2 number, since 2×2107845137² = 8886022243149097538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2107845137.

It is not an unprimeable number, because it can be changed into a prime (2107845167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21848 + ... + 68505.

It is an arithmetic number, because the mean of its divisors is an integer number (270384345).

Almost surely, 2^2107845137 is an apocalyptic number.

It is an amenable number.

2107845137 is a deficient number, since it is larger than the sum of its proper divisors (55229623).

2107845137 is an equidigital number, since it uses as much as digits as its factorization.

2107845137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90963.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 2107845137 is about 45911.2746174619. The cubic root of 2107845137 is about 1282.1718371479.

The spelling of 2107845137 in words is "two billion, one hundred seven million, eight hundred forty-five thousand, one hundred thirty-seven".