138744082 has 16 divisors (see below), whose sum is σ = 216203904. Its totient is φ = 66724000.

The previous prime is 138744079. The next prime is 138744107. The reversal of 138744082 is 280447831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6094 + ... + 17737.

It is an arithmetic number, because the mean of its divisors is an integer number (13512744).

Almost surely, 2^138744082 is an apocalyptic number.

138744082 is a deficient number, since it is larger than the sum of its proper divisors (77459822).

138744082 is a wasteful number, since it uses less digits than its factorization.

138744082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23945.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 138744082 is about 11778.9677816012. The cubic root of 138744082 is about 517.6920422711.

It can be divided in two parts, 13874 and 4082, that added together give a square (17956 = 134²).

The spelling of 138744082 in words is "one hundred thirty-eight million, seven hundred forty-four thousand, eighty-two".