139267 has 2 divisors, whose sum is σ = 139268. Its totient is φ = 139266.

The previous prime is 139241. The next prime is 139273. The reversal of 139267 is 762931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139267 - 2¹¹ = 137219 is a prime.

It is not a weakly prime, because it can be changed into another prime (139297) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69633 + 69634.

It is an arithmetic number, because the mean of its divisors is an integer number (69634).

2¹³⁹²⁶⁷ is an apocalyptic number.

139267 is a deficient number, since it is larger than the sum of its proper divisors (1).

139267 is an equidigital number, since it uses as much as digits as its factorization.

139267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 139267 is about 373.1849407465. The cubic root of 139267 is about 51.8341610158.

It can be divided in two parts, 139 and 267, that added together give a triangular number (406 = T₂₈).

The spelling of 139267 in words is "one hundred thirty-nine thousand, two hundred sixty-seven".