138084388258 has 16 divisors (see below), whose sum is σ = 230853157920. Its totient is φ = 61560841536.

The previous prime is 138084388243. The next prime is 138084388283. The reversal of 138084388258 is 852883480831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106875816 + ... + 106877107.

It is an arithmetic number, because the mean of its divisors is an integer number (14428322370).

Almost surely, 2^138084388258 is an apocalyptic number.

138084388258 is a deficient number, since it is larger than the sum of its proper divisors (92768769662).

138084388258 is a wasteful number, since it uses less digits than its factorization.

138084388258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213752961.

The product of its (nonzero) digits is 11796480, while the sum is 58.

The spelling of 138084388258 in words is "one hundred thirty-eight billion, eighty-four million, three hundred eighty-eight thousand, two hundred fifty-eight".