138362066 has 24 divisors (see below), whose sum is σ = 228411120. Its totient is φ = 62681256.

The previous prime is 138362053. The next prime is 138362117. The reversal of 138362066 is 660263831.

138362066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×138362066² = 38288122615576712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16661 + ... + 23543.

It is an arithmetic number, because the mean of its divisors is an integer number (9517130).

Almost surely, 2^138362066 is an apocalyptic number.

138362066 is a deficient number, since it is larger than the sum of its proper divisors (90049054).

138362066 is a wasteful number, since it uses less digits than its factorization.

138362066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6950 (or 6927 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 138362066 is about 11762.7405820242. The cubic root of 138362066 is about 517.2164702014.

The spelling of 138362066 in words is "one hundred thirty-eight million, three hundred sixty-two thousand, sixty-six".