14158540 has 48 divisors (see below), whose sum is σ = 32739840. Its totient is φ = 5100480.

The previous prime is 14158523. The next prime is 14158541. The reversal of 14158540 is 4585141.

It is a junction number, because it is equal to n+sod(n) for n = 14158499 and 14158508.

It is not an unprimeable number, because it can be changed into a prime (14158541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30349 + ... + 30811.

It is an arithmetic number, because the mean of its divisors is an integer number (682080).

Almost surely, 2^14158540 is an apocalyptic number.

14158540 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 14158540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16369920).

14158540 is an abundant number, since it is smaller than the sum of its proper divisors (18581300).

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

14158540 is a wasteful number, since it uses less digits than its factorization.

14158540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 14158540 is about 3762.7835441333. The cubic root of 14158540 is about 241.9205850113.

The spelling of 14158540 in words is "fourteen million, one hundred fifty-eight thousand, five hundred forty".