2238095138 has 4 divisors (see below), whose sum is σ = 3357142710. Its totient is φ = 1119047568.

The previous prime is 2238095117. The next prime is 2238095159. The reversal of 2238095138 is 8315908322.

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

It is an interprime number because it is at equal distance from previous prime (2238095117) and next prime (2238095159).

It can be written as a sum of positive squares in only one way, i.e., 1730809609 + 507285529 = 41603^2 + 22523^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2238095095 and 2238095104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559523783 + ... + 559523786.

Almost surely, 2^2238095138 is an apocalyptic number.

2238095138 is a deficient number, since it is larger than the sum of its proper divisors (1119047572).

2238095138 is a wasteful number, since it uses less digits than its factorization.

2238095138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119047571.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 2238095138 is about 47308.5102069385. The cubic root of 2238095138 is about 1308.0555302077.

The spelling of 2238095138 in words is "two billion, two hundred thirty-eight million, ninety-five thousand, one hundred thirty-eight".