13939135 has 8 divisors (see below), whose sum is σ = 19116576. Its totient is φ = 9558240.

The previous prime is 13939117. The next prime is 13939153. The reversal of 13939135 is 53193931.

It is an interprime number because it is at equal distance from previous prime (13939117) and next prime (13939153).

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

It is a de Polignac number, because none of the positive numbers 2^k-13939135 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13939135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199096 + ... + 199165.

It is an arithmetic number, because the mean of its divisors is an integer number (2389572).

Almost surely, 2^13939135 is an apocalyptic number.

13939135 is a deficient number, since it is larger than the sum of its proper divisors (5177441).

13939135 is an equidigital number, since it uses as much as digits as its factorization.

13939135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398273.

The product of its digits is 10935, while the sum is 34.

The square root of 13939135 is about 3733.5150997418. The cubic root of 13939135 is about 240.6644492582.

The spelling of 13939135 in words is "thirteen million, nine hundred thirty-nine thousand, one hundred thirty-five".