138284002 has 16 divisors (see below), whose sum is σ = 210805632. Its totient is φ = 68019840.

The previous prime is 138283997. The next prime is 138284009. The reversal of 138284002 is 200482831.

It is not an unprimeable number, because it can be changed into a prime (138284009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94843 + ... + 96289.

It is an arithmetic number, because the mean of its divisors is an integer number (13175352).

Almost surely, 2^138284002 is an apocalyptic number.

138284002 is a deficient number, since it is larger than the sum of its proper divisors (72521630).

138284002 is a wasteful number, since it uses less digits than its factorization.

138284002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 138284002 is about 11759.4218395294. The cubic root of 138284002 is about 517.1191805722.

The spelling of 138284002 in words is "one hundred thirty-eight million, two hundred eighty-four thousand, two".