139395 has 8 divisors (see below), whose sum is σ = 223056.
Its totient is φ = 74336.
The previous prime is 139393. The next prime is 139397. The reversal of 139395 is 593931.
It is an interprime number because it is at equal distance from previous prime (139393) and next prime (139397).
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 139395 - 21 = 139393 is a prime.
It is not an unprimeable number, because it can be changed into a prime (139393) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4632 + ... + 4661.
It is an arithmetic number, because the mean of its divisors is an integer number (27882).
2139395 is an apocalyptic number.
139395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
139395 is a deficient number, since it is larger than the sum of its proper divisors (83661).
139395 is an equidigital number, since it uses as much as digits as its factorization.
139395 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9301.
The product of its digits is 3645, while the sum is 30.
The square root of 139395 is about 373.3563980970.
The cubic root of 139395 is about 51.8500363751.
The spelling of 139395 in words is "one hundred thirty-nine thousand, three hundred ninety-five".