138867031374371 has 16 divisors (see below), whose sum is σ = 144996824736000. Its totient is φ = 132744918464928.

The previous prime is 138867031374367. The next prime is 138867031374377. The reversal of 138867031374371 is 173473130768831.

It is a cyclic number.

It is not a de Polignac number, because 138867031374371 - 2² = 138867031374367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138867031374377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1577649800 + ... + 1577737818.

It is an arithmetic number, because the mean of its divisors is an integer number (9062301546000).

Almost surely, 2^{138867031374371} is an apocalyptic number.

138867031374371 is a deficient number, since it is larger than the sum of its proper divisors (6129793361629).

138867031374371 is a wasteful number, since it uses less digits than its factorization.

138867031374371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130858.

The product of its (nonzero) digits is 42674688, while the sum is 62.

The spelling of 138867031374371 in words is "one hundred thirty-eight trillion, eight hundred sixty-seven billion, thirty-one million, three hundred seventy-four thousand, three hundred seventy-one".