138048874558 has 16 divisors (see below), whose sum is σ = 236858728320. Its totient is φ = 59112924696.

The previous prime is 138048874553. The next prime is 138048874571. The reversal of 138048874558 is 855478840831.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 138048874496 and 138048874505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138048874553) 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, 4223028 + ... + 4255591.

It is an arithmetic number, because the mean of its divisors is an integer number (14803670520).

Almost surely, 2^138048874558 is an apocalyptic number.

138048874558 is a deficient number, since it is larger than the sum of its proper divisors (98809853762).

138048874558 is a wasteful number, since it uses less digits than its factorization.

138048874558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8479791.

The product of its (nonzero) digits is 34406400, while the sum is 61.

The spelling of 138048874558 in words is "one hundred thirty-eight billion, forty-eight million, eight hundred seventy-four thousand, five hundred fifty-eight".