138043482 has 32 divisors (see below), whose sum is σ = 283995072. Its totient is φ = 44713344.

The previous prime is 138043481. The next prime is 138043483. The reversal of 138043482 is 284340831.

It is an interprime number because it is at equal distance from previous prime (138043481) and next prime (138043483).

It is not an unprimeable number, because it can be changed into a prime (138043481) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 31998 + ... + 36054.

It is an arithmetic number, because the mean of its divisors is an integer number (8874846).

Almost surely, 2^138043482 is an apocalyptic number.

138043482 is an abundant number, since it is smaller than the sum of its proper divisors (145951590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138043482 is a wasteful number, since it uses less digits than its factorization.

138043482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 138043482 is about 11749.1906955330. The cubic root of 138043482 is about 516.8191948327.

The spelling of 138043482 in words is "one hundred thirty-eight million, forty-three thousand, four hundred eighty-two".