138858066201426 has 64 divisors (see below), whose sum is σ = 326269975764096. Its totient is φ = 38841170457600.

The previous prime is 138858066201401. The next prime is 138858066201487. The reversal of 138858066201426 is 624102660858831.

It is a self number, because there is not a number n which added to its sum of digits gives 138858066201426.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166156170 + ... + 166989786.

It is an arithmetic number, because the mean of its divisors is an integer number (5097968371314).

Almost surely, 2^{138858066201426} is an apocalyptic number.

138858066201426 is an abundant number, since it is smaller than the sum of its proper divisors (187411909562670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138858066201426 is a wasteful number, since it uses less digits than its factorization.

138858066201426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027787.

The product of its (nonzero) digits is 26542080, while the sum is 60.

The spelling of 138858066201426 in words is "one hundred thirty-eight trillion, eight hundred fifty-eight billion, sixty-six million, two hundred one thousand, four hundred twenty-six".