138342243833 has 8 divisors (see below), whose sum is σ = 146997625248. Its totient is φ = 129744373824.

The previous prime is 138342243761. The next prime is 138342243929. The reversal of 138342243833 is 338342243831.

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

It is a cyclic number.

It is not a de Polignac number, because 138342243833 - 2¹⁰ = 138342242809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138342243233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14372891 + ... + 14382512.

It is an arithmetic number, because the mean of its divisors is an integer number (18374703156).

Almost surely, 2^138342243833 is an apocalyptic number.

It is an amenable number.

138342243833 is a deficient number, since it is larger than the sum of its proper divisors (8655381415).

138342243833 is a wasteful number, since it uses less digits than its factorization.

138342243833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28755703.

The product of its digits is 995328, while the sum is 44.

The spelling of 138342243833 in words is "one hundred thirty-eight billion, three hundred forty-two million, two hundred forty-three thousand, eight hundred thirty-three".