2807200138 has 8 divisors (see below), whose sum is σ = 4324605732. Its totient is φ = 1365664896.

The previous prime is 2807200129. The next prime is 2807200147. The reversal of 2807200138 is 8310027082.

2807200138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2807200129) and next prime (2807200147).

It can be written as a sum of positive squares in 2 ways, for example, as 2807198289 + 1849 = 52983^2 + 43^2 .

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

It is a super-2 number, since 2×2807200138² = 15760745229574438088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18967495 + ... + 18967642.

Almost surely, 2^2807200138 is an apocalyptic number.

2807200138 is a deficient number, since it is larger than the sum of its proper divisors (1517405594).

2807200138 is a wasteful number, since it uses less digits than its factorization.

2807200138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37935176.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 2807200138 is about 52983.0174489902. The cubic root of 2807200138 is about 1410.6668438382. Note that the first 3 decimals are identical.

The spelling of 2807200138 in words is "two billion, eight hundred seven million, two hundred thousand, one hundred thirty-eight".