138677044 has 24 divisors (see below), whose sum is σ = 269746848. Its totient is φ = 61844640.

The previous prime is 138676949. The next prime is 138677083. The reversal of 138677044 is 440776831.

It is a junction number, because it is equal to n+sod(n) for n = 138676988 and 138677006.

It is a congruent number.

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, 27402 + ... + 32065.

It is an arithmetic number, because the mean of its divisors is an integer number (11239452).

Almost surely, 2^138677044 is an apocalyptic number.

It is an amenable number.

138677044 is a deficient number, since it is larger than the sum of its proper divisors (131069804).

138677044 is a wasteful number, since it uses less digits than its factorization.

138677044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59535 (or 59533 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 138677044 is about 11776.1217724682. The cubic root of 138677044 is about 517.6086498128.

The spelling of 138677044 in words is "one hundred thirty-eight million, six hundred seventy-seven thousand, forty-four".