138354443862 has 8 divisors (see below), whose sum is σ = 276708887736. Its totient is φ = 46118147952.

The previous prime is 138354443861. The next prime is 138354443867. The reversal of 138354443862 is 268344453831.

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

138354443862 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138354443861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11529536983 + ... + 11529536994.

It is an arithmetic number, because the mean of its divisors is an integer number (34588610967).

Almost surely, 2^138354443862 is an apocalyptic number.

138354443862 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

138354443862 is a wasteful number, since it uses less digits than its factorization.

138354443862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23059073982.

The product of its digits is 6635520, while the sum is 51.

The spelling of 138354443862 in words is "one hundred thirty-eight billion, three hundred fifty-four million, four hundred forty-three thousand, eight hundred sixty-two".