138109022 has 8 divisors (see below), whose sum is σ = 207473376. Its totient is φ = 68951232.

The previous prime is 138109019. The next prime is 138109039. The reversal of 138109022 is 220901831.

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

It is a junction number, because it is equal to n+sod(n) for n = 138108982 and 138109000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49958 + ... + 52649.

It is an arithmetic number, because the mean of its divisors is an integer number (25934172).

Almost surely, 2^138109022 is an apocalyptic number.

138109022 is a deficient number, since it is larger than the sum of its proper divisors (69364354).

138109022 is a wasteful number, since it uses less digits than its factorization.

138109022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103282.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 138109022 is about 11751.9794928344. The cubic root of 138109022 is about 516.9009733428.

The spelling of 138109022 in words is "one hundred thirty-eight million, one hundred nine thousand, twenty-two".