13939164 has 18 divisors (see below), whose sum is σ = 35235200. Its totient is φ = 4646376.

The previous prime is 13939157. The next prime is 13939183. The reversal of 13939164 is 46193931.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 387199 = 13939164 / (1 + 3 + 9 + 3 + 9 + 1 + 6 + 4).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 193564 + ... + 193635.

Almost surely, 2^13939164 is an apocalyptic number.

It is an amenable number.

13939164 is an abundant number, since it is smaller than the sum of its proper divisors (21296036).

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

13939164 is a wasteful number, since it uses less digits than its factorization.

13939164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387209 (or 387204 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 13939164 is about 3733.5189834793. The cubic root of 13939164 is about 240.6646161568.

The spelling of 13939164 in words is "thirteen million, nine hundred thirty-nine thousand, one hundred sixty-four".