138851750058505 has 8 divisors (see below), whose sum is σ = 181769563713024. Its totient is φ = 100983090951600.

The previous prime is 138851750058479. The next prime is 138851750058529. The reversal of 138851750058505 is 505850057158831.

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

It is not a de Polignac number, because 138851750058505 - 2³¹ = 138849602574857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1262288636841 + ... + 1262288636950.

It is an arithmetic number, because the mean of its divisors is an integer number (22721195464128).

Almost surely, 2^{138851750058505} is an apocalyptic number.

It is an amenable number.

138851750058505 is a deficient number, since it is larger than the sum of its proper divisors (42917813654519).

138851750058505 is a wasteful number, since it uses less digits than its factorization.

138851750058505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524577273807.

The product of its (nonzero) digits is 33600000, while the sum is 61.

The spelling of 138851750058505 in words is "one hundred thirty-eight trillion, eight hundred fifty-one billion, seven hundred fifty million, fifty-eight thousand, five hundred five".