139355 has 8 divisors (see below), whose sum is σ = 171072. Its totient is φ = 108928.

The previous prime is 139343. The next prime is 139361. The reversal of 139355 is 553931.

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 139355 - 2⁴ = 139339 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139355.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62 + ... + 531.

It is an arithmetic number, because the mean of its divisors is an integer number (21384).

2¹³⁹³⁵⁵ is an apocalyptic number.

139355 is a deficient number, since it is larger than the sum of its proper divisors (31717).

139355 is an equidigital number, since it uses as much as digits as its factorization.

139355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its digits is 2025, while the sum is 26.

The square root of 139355 is about 373.3028261345. The cubic root of 139355 is about 51.8450763697.

It can be divided in two parts, 139 and 355, that added together give a palindrome (494).

The spelling of 139355 in words is "one hundred thirty-nine thousand, three hundred fifty-five".