138417167 has 8 divisors (see below), whose sum is σ = 159758112. Its totient is φ = 117468000.

The previous prime is 138417143. The next prime is 138417187. The reversal of 138417167 is 761714831.

It is a happy number.

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 138417167 - 2¹² = 138413071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138417167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138417187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97184 + ... + 98597.

It is an arithmetic number, because the mean of its divisors is an integer number (19969764).

Almost surely, 2^138417167 is an apocalyptic number.

138417167 is a deficient number, since it is larger than the sum of its proper divisors (21340945).

138417167 is a wasteful number, since it uses less digits than its factorization.

138417167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195889.

The product of its digits is 28224, while the sum is 38.

The square root of 138417167 is about 11765.0825326472. The cubic root of 138417167 is about 517.2851194665.

The spelling of 138417167 in words is "one hundred thirty-eight million, four hundred seventeen thousand, one hundred sixty-seven".