138327826 has 16 divisors (see below), whose sum is σ = 255374784. Its totient is φ = 54723024.

The previous prime is 138327823. The next prime is 138327829. The reversal of 138327826 is 628723831.

138327826 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (138327823) and next prime (138327829).

It is not an unprimeable number, because it can be changed into a prime (138327821) 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, 379840 + ... + 380203.

It is an arithmetic number, because the mean of its divisors is an integer number (15960924).

Almost surely, 2^138327826 is an apocalyptic number.

138327826 is a deficient number, since it is larger than the sum of its proper divisors (117046958).

138327826 is a wasteful number, since it uses less digits than its factorization.

138327826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760065.

The product of its digits is 96768, while the sum is 40.

The square root of 138327826 is about 11761.2850488371. The cubic root of 138327826 is about 517.1738020687.

The spelling of 138327826 in words is "one hundred thirty-eight million, three hundred twenty-seven thousand, eight hundred twenty-six".