138416913867634 has 8 divisors (see below), whose sum is σ = 207643382926848. Its totient is φ = 69202452892020.

The previous prime is 138416913867629. The next prime is 138416913867707. The reversal of 138416913867634 is 436768319614831.

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

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, 3001992082 + ... + 3002038189.

It is an arithmetic number, because the mean of its divisors is an integer number (25955422865856).

Almost surely, 2^{138416913867634} is an apocalyptic number.

138416913867634 is a deficient number, since it is larger than the sum of its proper divisors (69226469059214).

138416913867634 is a wasteful number, since it uses less digits than its factorization.

138416913867634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6004041800.

The product of its digits is 376233984, while the sum is 70.

The spelling of 138416913867634 in words is "one hundred thirty-eight trillion, four hundred sixteen billion, nine hundred thirteen million, eight hundred sixty-seven thousand, six hundred thirty-four".