138852539443 has 8 divisors (see below), whose sum is σ = 139493623680. Its totient is φ = 138211757760.

The previous prime is 138852539437. The next prime is 138852539453. The reversal of 138852539443 is 344935258831.

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 138852539443 - 2⁵ = 138852539411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138852539453) 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, 871623 + ... + 1018543.

It is an arithmetic number, because the mean of its divisors is an integer number (17436702960).

Almost surely, 2^138852539443 is an apocalyptic number.

138852539443 is a deficient number, since it is larger than the sum of its proper divisors (641084237).

138852539443 is a wasteful number, since it uses less digits than its factorization.

138852539443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151277.

The product of its digits is 12441600, while the sum is 55.

The spelling of 138852539443 in words is "one hundred thirty-eight billion, eight hundred fifty-two million, five hundred thirty-nine thousand, four hundred forty-three".