13695139 has 8 divisors (see below), whose sum is σ = 14076720. Its totient is φ = 13318656.

The previous prime is 13695131. The next prime is 13695151. The reversal of 13695139 is 93159631.

13695139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13695139 - 2³ = 13695131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13695098 and 13695107.

It is not an unprimeable number, because it can be changed into a prime (13695131) 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, 4527 + ... + 6919.

It is an arithmetic number, because the mean of its divisors is an integer number (1759590).

Almost surely, 2^13695139 is an apocalyptic number.

13695139 is a deficient number, since it is larger than the sum of its proper divisors (381581).

13695139 is an equidigital number, since it uses as much as digits as its factorization.

13695139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549.

The product of its digits is 21870, while the sum is 37.

The square root of 13695139 is about 3700.6943942995. The cubic root of 13695139 is about 239.2519474486.

The spelling of 13695139 in words is "thirteen million, six hundred ninety-five thousand, one hundred thirty-nine".