139269 has 8 divisors (see below), whose sum is σ = 200032. Its totient is φ = 85680.

The previous prime is 139267. The next prime is 139273. The reversal of 139269 is 962931.

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

It is not a de Polignac number, because 139269 - 2¹ = 139267 is a prime.

It is a super-2 number, since 2×139269² = 38791708722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139267) 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, 1747 + ... + 1824.

It is an arithmetic number, because the mean of its divisors is an integer number (25004).

2¹³⁹²⁶⁹ is an apocalyptic number.

It is an amenable number.

139269 is a deficient number, since it is larger than the sum of its proper divisors (60763).

139269 is a wasteful number, since it uses less digits than its factorization.

139269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587.

The product of its digits is 2916, while the sum is 30.

The square root of 139269 is about 373.1876203735. The cubic root of 139269 is about 51.8344091431.

The spelling of 139269 in words is "one hundred thirty-nine thousand, two hundred sixty-nine".