14091540 has 96 divisors (see below), whose sum is σ = 42577920. Its totient is φ = 3470976.

The previous prime is 14091527. The next prime is 14091547. The reversal of 14091540 is 4519041.

It is a self number, because there is not a number n which added to its sum of digits gives 14091540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14091547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53449 + ... + 53711.

It is an arithmetic number, because the mean of its divisors is an integer number (443520).

Almost surely, 2^14091540 is an apocalyptic number.

14091540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14091540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21288960).

14091540 is an abundant number, since it is smaller than the sum of its proper divisors (28486380).

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

14091540 is a wasteful number, since it uses less digits than its factorization.

14091540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 14091540 is about 3753.8700030768. The cubic root of 14091540 is about 241.5383819076.

The spelling of 14091540 in words is "fourteen million, ninety-one thousand, five hundred forty".