138364807 has 8 divisors (see below), whose sum is σ = 158400000. Its totient is φ = 118396824.

The previous prime is 138364799. The next prime is 138364813. The reversal of 138364807 is 708463831.

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

It is not a de Polignac number, because 138364807 - 2³ = 138364799 is a prime.

It is a super-2 number, since 2×138364807² = 38289639632294498, which contains 22 as substring.

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 138364807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138364817) 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, 12307 + ... + 20692.

It is an arithmetic number, because the mean of its divisors is an integer number (19800000).

Almost surely, 2^138364807 is an apocalyptic number.

138364807 is a deficient number, since it is larger than the sum of its proper divisors (20035193).

138364807 is an equidigital number, since it uses as much as digits as its factorization.

138364807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33605.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 138364807 is about 11762.8570934106. The cubic root of 138364807 is about 517.2198855908.

The spelling of 138364807 in words is "one hundred thirty-eight million, three hundred sixty-four thousand, eight hundred seven".