138002246 has 8 divisors (see below), whose sum is σ = 211407840. Its totient is φ = 67532968.

The previous prime is 138002237. The next prime is 138002251. The reversal of 138002246 is 642200831.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733961 + ... + 734148.

It is an arithmetic number, because the mean of its divisors is an integer number (26425980).

Almost surely, 2^138002246 is an apocalyptic number.

138002246 is a deficient number, since it is larger than the sum of its proper divisors (73405594).

138002246 is a wasteful number, since it uses less digits than its factorization.

138002246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468158.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 138002246 is about 11747.4357201902. The cubic root of 138002246 is about 516.7677287333.

The spelling of 138002246 in words is "one hundred thirty-eight million, two thousand, two hundred forty-six".