138500572342 has 16 divisors (see below), whose sum is σ = 226653133392. Its totient is φ = 62950407520.

The previous prime is 138500572303. The next prime is 138500572373. The reversal of 138500572342 is 243275005831.

It is a junction number, because it is equal to n+sod(n) for n = 138500572295 and 138500572304.

It is a congruent number.

It is an unprimeable number.

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, 113388 + ... + 538384.

It is an arithmetic number, because the mean of its divisors is an integer number (14165820837).

Almost surely, 2^138500572342 is an apocalyptic number.

138500572342 is a deficient number, since it is larger than the sum of its proper divisors (88152561050).

138500572342 is a wasteful number, since it uses less digits than its factorization.

138500572342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439823.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 138500572342 in words is "one hundred thirty-eight billion, five hundred million, five hundred seventy-two thousand, three hundred forty-two".