138006029 has 8 divisors (see below), whose sum is σ = 157867200. Its totient is φ = 118181376.

The previous prime is 138006023. The next prime is 138006031. The reversal of 138006029 is 920600831.

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

It is a cyclic number.

It is not a de Polignac number, because 138006029 - 2²⁴ = 121228813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138005992 and 138006010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138006023) 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, 479 + ... + 16620.

It is an arithmetic number, because the mean of its divisors is an integer number (19733400).

Almost surely, 2^138006029 is an apocalyptic number.

It is an amenable number.

138006029 is a deficient number, since it is larger than the sum of its proper divisors (19861171).

138006029 is a wasteful number, since it uses less digits than its factorization.

138006029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18259.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 138006029 is about 11747.5967329493. The cubic root of 138006029 is about 516.7724506720.

The spelling of 138006029 in words is "one hundred thirty-eight million, six thousand, twenty-nine".