139269711 has 12 divisors (see below), whose sum is σ = 216010392. Its totient is φ = 79582608.

The previous prime is 139269709. The next prime is 139269719. The reversal of 139269711 is 117962931.

It is a happy number.

It is not a de Polignac number, because 139269711 - 2¹ = 139269709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139269711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139269719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473560 + ... + 473853.

It is an arithmetic number, because the mean of its divisors is an integer number (18000866).

Almost surely, 2^139269711 is an apocalyptic number.

139269711 is a deficient number, since it is larger than the sum of its proper divisors (76740681).

139269711 is an equidigital number, since it uses as much as digits as its factorization.

139269711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947430 (or 947423 counting only the distinct ones).

The product of its digits is 20412, while the sum is 39.

The square root of 139269711 is about 11801.2588735270. The cubic root of 139269711 is about 518.3449735177.

The spelling of 139269711 in words is "one hundred thirty-nine million, two hundred sixty-nine thousand, seven hundred eleven".