139277 has 8 divisors (see below), whose sum is σ = 147840. Its totient is φ = 131040.

The previous prime is 139273. The next prime is 139291. The reversal of 139277 is 772931.

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 139277 - 2² = 139273 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139277.

It is not an unprimeable number, because it can be changed into a prime (139273) 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, 1724 + ... + 1802.

It is an arithmetic number, because the mean of its divisors is an integer number (18480).

2¹³⁹²⁷⁷ is an apocalyptic number.

It is an amenable number.

139277 is a deficient number, since it is larger than the sum of its proper divisors (8563).

139277 is an equidigital number, since it uses as much as digits as its factorization.

139277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163.

The product of its digits is 2646, while the sum is 29.

The square root of 139277 is about 373.1983386887. The cubic root of 139277 is about 51.8354016285.

Subtracting from 139277 its product of digits (2646), we obtain a palindrome (136631).

It can be divided in two parts, 139 and 277, that multiplied together give a triangular number (38503 = T₂₇₇).

The spelling of 139277 in words is "one hundred thirty-nine thousand, two hundred seventy-seven".