138535959073 has 8 divisors (see below), whose sum is σ = 150855854400. Its totient is φ = 126718916688.

The previous prime is 138535959019. The next prime is 138535959083. The reversal of 138535959073 is 370959535831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138535959073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138535958999 and 138535959017.

It is not an unprimeable number, because it can be changed into a prime (138535959083) 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, 125712661 + ... + 125713762.

It is an arithmetic number, because the mean of its divisors is an integer number (18856981800).

Almost surely, 2^138535959073 is an apocalyptic number.

It is an amenable number.

138535959073 is a deficient number, since it is larger than the sum of its proper divisors (12319895327).

138535959073 is a wasteful number, since it uses less digits than its factorization.

138535959073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251426471.

The product of its (nonzero) digits is 15309000, while the sum is 58.

The spelling of 138535959073 in words is "one hundred thirty-eight billion, five hundred thirty-five million, nine hundred fifty-nine thousand, seventy-three".