13850109 has 40 divisors (see below), whose sum is σ = 25477760. Its totient is φ = 7301664.

The previous prime is 13850093. The next prime is 13850113. The reversal of 13850109 is 90105831.

It is not a de Polignac number, because 13850109 - 2⁴ = 13850093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13850159) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6432 + ... + 8310.

It is an arithmetic number, because the mean of its divisors is an integer number (636944).

Almost surely, 2^13850109 is an apocalyptic number.

It is an amenable number.

13850109 is a deficient number, since it is larger than the sum of its proper divisors (11627651).

13850109 is a wasteful number, since it uses less digits than its factorization.

13850109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911 (or 1902 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 13850109 is about 3721.5734575580. The cubic root of 13850109 is about 240.1509987275.

The spelling of 13850109 in words is "thirteen million, eight hundred fifty thousand, one hundred nine".