138314582 has 16 divisors (see below), whose sum is σ = 237323520. Its totient is φ = 59224488.

The previous prime is 138314581. The next prime is 138314587. The reversal of 138314582 is 285413831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138314581) 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, 14519 + ... + 22077.

It is an arithmetic number, because the mean of its divisors is an integer number (14832720).

Almost surely, 2^138314582 is an apocalyptic number.

138314582 is a deficient number, since it is larger than the sum of its proper divisors (99008938).

138314582 is a wasteful number, since it uses less digits than its factorization.

138314582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8875.

The product of its digits is 23040, while the sum is 35.

The square root of 138314582 is about 11760.7220016460. The cubic root of 138314582 is about 517.1572961864.

The spelling of 138314582 in words is "one hundred thirty-eight million, three hundred fourteen thousand, five hundred eighty-two".