138676029 has 8 divisors (see below), whose sum is σ = 185560512. Its totient is φ = 92121120.

The previous prime is 138676009. The next prime is 138676061. The reversal of 138676029 is 920676831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 138676029 - 2⁹ = 138675517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138676009) 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 7 ways as a sum of consecutive naturals, for example, 81409 + ... + 83094.

It is an arithmetic number, because the mean of its divisors is an integer number (23195064).

Almost surely, 2^138676029 is an apocalyptic number.

It is an amenable number.

138676029 is a deficient number, since it is larger than the sum of its proper divisors (46884483).

138676029 is a wasteful number, since it uses less digits than its factorization.

138676029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164787.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 138676029 is about 11776.0786767073. The cubic root of 138676029 is about 517.6073869889.

The spelling of 138676029 in words is "one hundred thirty-eight million, six hundred seventy-six thousand, twenty-nine".