3871068454138 has 4 divisors (see below), whose sum is σ = 5806602681210. Its totient is φ = 1935534227068.

The previous prime is 3871068454073. The next prime is 3871068454151. The reversal of 3871068454138 is 8314548601783.

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., 2344625501089 + 1526442953049 = 1531217^2 + 1235493^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967767113533 + ... + 967767113536.

Almost surely, 2^{3871068454138} is an apocalyptic number.

3871068454138 is a deficient number, since it is larger than the sum of its proper divisors (1935534227072).

3871068454138 is a wasteful number, since it uses less digits than its factorization.

3871068454138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935534227071.

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 3871068454138 in words is "three trillion, eight hundred seventy-one billion, sixty-eight million, four hundred fifty-four thousand, one hundred thirty-eight".