138059842 has 16 divisors (see below), whose sum is σ = 212667840. Its totient is φ = 67182192.

The previous prime is 138059837. The next prime is 138059843. The reversal of 138059842 is 248950831.

It is a junction number, because it is equal to n+sod(n) for n = 138059795 and 138059804.

It is not an unprimeable number, because it can be changed into a prime (138059843) 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, 22459 + ... + 27937.

It is an arithmetic number, because the mean of its divisors is an integer number (13291740).

Almost surely, 2^138059842 is an apocalyptic number.

138059842 is a deficient number, since it is larger than the sum of its proper divisors (74607998).

138059842 is a wasteful number, since it uses less digits than its factorization.

138059842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5817.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 138059842 is about 11749.8868930726. The cubic root of 138059842 is about 516.8396106899.

The spelling of 138059842 in words is "one hundred thirty-eight million, fifty-nine thousand, eight hundred forty-two".