138975614 has 24 divisors (see below), whose sum is σ = 229605840. Its totient is φ = 62960832.

The previous prime is 138975581. The next prime is 138975631. The reversal of 138975614 is 416579831.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 12422 + ... + 20790.

It is an arithmetic number, because the mean of its divisors is an integer number (9566910).

Almost surely, 2^138975614 is an apocalyptic number.

138975614 is a deficient number, since it is larger than the sum of its proper divisors (90630226).

138975614 is a wasteful number, since it uses less digits than its factorization.

138975614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8432 (or 8413 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 138975614 is about 11788.7918804261. The cubic root of 138975614 is about 517.9798519317.

The spelling of 138975614 in words is "one hundred thirty-eight million, nine hundred seventy-five thousand, six hundred fourteen".