106138756 has 6 divisors (see below), whose sum is σ = 185742830. Its totient is φ = 53069376.

The previous prime is 106138733. The next prime is 106138759. The reversal of 106138756 is 657831601.

It can be written as a sum of positive squares in only one way, i.e., 105472900 + 665856 = 10270^2 + 816^2 .

It is a super-2 number, since 2×106138756² = 22530871050455072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106138759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13267341 + ... + 13267348.

Almost surely, 2^106138756 is an apocalyptic number.

It is an amenable number.

106138756 is a deficient number, since it is larger than the sum of its proper divisors (79604074).

106138756 is a wasteful number, since it uses less digits than its factorization.

106138756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26534693 (or 26534691 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 106138756 is about 10302.3665242506. The cubic root of 106138756 is about 473.4687621911.

The spelling of 106138756 in words is "one hundred six million, one hundred thirty-eight thousand, seven hundred fifty-six".