138826126 has 8 divisors (see below), whose sum is σ = 208343304. Its totient is φ = 69378360.

The previous prime is 138826117. The next prime is 138826159. The reversal of 138826126 is 621628831.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 12025 + ... + 20548.

It is an arithmetic number, because the mean of its divisors is an integer number (26042913).

Almost surely, 2^138826126 is an apocalyptic number.

138826126 is a deficient number, since it is larger than the sum of its proper divisors (69517178).

138826126 is a wasteful number, since it uses less digits than its factorization.

138826126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34706.

The product of its digits is 27648, while the sum is 37.

The square root of 138826126 is about 11782.4499150219. The cubic root of 138826126 is about 517.7940650169.

The spelling of 138826126 in words is "one hundred thirty-eight million, eight hundred twenty-six thousand, one hundred twenty-six".