138553146959 has 8 divisors (see below), whose sum is σ = 141507588288. Its totient is φ = 135598976640.

The previous prime is 138553146911. The next prime is 138553146961. The reversal of 138553146959 is 959641355831.

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 138553146959 - 2²⁰ = 138552098383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138553146898 and 138553146907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138553146559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226219 + ... + 1334435.

It is an arithmetic number, because the mean of its divisors is an integer number (17688448536).

Almost surely, 2^138553146959 is an apocalyptic number.

138553146959 is a deficient number, since it is larger than the sum of its proper divisors (2954441329).

138553146959 is a wasteful number, since it uses less digits than its factorization.

138553146959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135505.

The product of its digits is 17496000, while the sum is 59.

The spelling of 138553146959 in words is "one hundred thirty-eight billion, five hundred fifty-three million, one hundred forty-six thousand, nine hundred fifty-nine".