138466315 has 8 divisors (see below), whose sum is σ = 178941168. Its totient is φ = 102252000.

The previous prime is 138466313. The next prime is 138466337. The reversal of 138466315 is 513664831.

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

It is not a de Polignac number, because 138466315 - 2¹ = 138466313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138466313) 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, 1065061 + ... + 1065190.

It is an arithmetic number, because the mean of its divisors is an integer number (22367646).

Almost surely, 2^138466315 is an apocalyptic number.

138466315 is a deficient number, since it is larger than the sum of its proper divisors (40474853).

138466315 is a wasteful number, since it uses less digits than its factorization.

138466315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130269.

The product of its digits is 51840, while the sum is 37.

The square root of 138466315 is about 11767.1710703975. The cubic root of 138466315 is about 517.3463366337.

The spelling of 138466315 in words is "one hundred thirty-eight million, four hundred sixty-six thousand, three hundred fifteen".