138741166364 has 12 divisors (see below), whose sum is σ = 243316952424. Its totient is φ = 69222037104.

The previous prime is 138741166349. The next prime is 138741166393. The reversal of 138741166364 is 463661147831.

It is a super-2 number, since 2×138741166364² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 37134419 + ... + 37138154.

It is an arithmetic number, because the mean of its divisors is an integer number (20276412702).

Almost surely, 2^138741166364 is an apocalyptic number.

It is an amenable number.

138741166364 is a deficient number, since it is larger than the sum of its proper divisors (104575786060).

138741166364 is a wasteful number, since it uses less digits than its factorization.

138741166364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74273044 (or 74273042 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 50.

The spelling of 138741166364 in words is "one hundred thirty-eight billion, seven hundred forty-one million, one hundred sixty-six thousand, three hundred sixty-four".