3871203703138 has 4 divisors (see below), whose sum is σ = 5806805554710. Its totient is φ = 1935601851568.

The previous prime is 3871203703117. The next prime is 3871203703177. The reversal of 3871203703138 is 8313073021783.

3871203703138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 3863595153609 + 7608549529 = 1965603^2 + 87227^2 .

It is a super-2 number, since 2×3871203703138² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967800925783 + ... + 967800925786.

Almost surely, 2^{3871203703138} is an apocalyptic number.

3871203703138 is a deficient number, since it is larger than the sum of its proper divisors (1935601851572).

3871203703138 is a wasteful number, since it uses less digits than its factorization.

3871203703138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935601851571.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 3871203703138 in words is "three trillion, eight hundred seventy-one billion, two hundred three million, seven hundred three thousand, one hundred thirty-eight".