106605138 has 24 divisors (see below), whose sum is σ = 222889968. Its totient is φ = 33989032.

The previous prime is 106605137. The next prime is 106605173. The reversal of 106605138 is 831506601.

It is a super-2 number, since 2×106605138² = 22729310895998088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106605133) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13620 + ... + 19967.

It is an arithmetic number, because the mean of its divisors is an integer number (9287082).

Almost surely, 2^106605138 is an apocalyptic number.

106605138 is an abundant number, since it is smaller than the sum of its proper divisors (116284830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106605138 is a wasteful number, since it uses less digits than its factorization.

106605138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33638 (or 33615 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 106605138 is about 10324.9764164380. The cubic root of 106605138 is about 474.1612351837.

The spelling of 106605138 in words is "one hundred six million, six hundred five thousand, one hundred thirty-eight".