138825013758 has 8 divisors (see below), whose sum is σ = 277650027528. Its totient is φ = 46275004584.

The previous prime is 138825013729. The next prime is 138825013783. The reversal of 138825013758 is 857310528831.

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

138825013758 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 138825013758.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11568751141 + ... + 11568751152.

It is an arithmetic number, because the mean of its divisors is an integer number (34706253441).

Almost surely, 2^138825013758 is an apocalyptic number.

138825013758 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138825013758 is a wasteful number, since it uses less digits than its factorization.

138825013758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23137502298.

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 138825013758 in words is "one hundred thirty-eight billion, eight hundred twenty-five million, thirteen thousand, seven hundred fifty-eight".