139164 has 12 divisors (see below), whose sum is σ = 324744. Its totient is φ = 46384.

The previous prime is 139133. The next prime is 139169. The reversal of 139164 is 461931.

It is a tau number, because it is divible by the number of its divisors (12).

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 139164.

It is not an unprimeable number, because it can be changed into a prime (139169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5787 + ... + 5810.

It is an arithmetic number, because the mean of its divisors is an integer number (27062).

2¹³⁹¹⁶⁴ is an apocalyptic number.

It is an amenable number.

139164 is an abundant number, since it is smaller than the sum of its proper divisors (185580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139164 is a wasteful number, since it uses less digits than its factorization.

139164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11604 (or 11602 counting only the distinct ones).

The product of its digits is 648, while the sum is 24.

The square root of 139164 is about 373.0469139398. The cubic root of 139164 is about 51.8213792481.

It can be divided in two parts, 139 and 164, that added together give a palindrome (303).

The spelling of 139164 in words is "one hundred thirty-nine thousand, one hundred sixty-four".