15005140 has 24 divisors (see below), whose sum is σ = 31957632. Its totient is φ = 5916960.

The previous prime is 15005129. The next prime is 15005149. The reversal of 15005140 is 4150051.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15005149) 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, 3864 + ... + 6703.

It is an arithmetic number, because the mean of its divisors is an integer number (1331568).

Almost surely, 2^15005140 is an apocalyptic number.

15005140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15005140 is an abundant number, since it is smaller than the sum of its proper divisors (16952492).

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

15005140 is a wasteful number, since it uses less digits than its factorization.

15005140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10647 (or 10645 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 15005140 is about 3873.6468605179. The cubic root of 15005140 is about 246.6493738384.

Adding to 15005140 its reverse (4150051), we get a palindrome (19155191).

The spelling of 15005140 in words is "fifteen million, five thousand, one hundred forty".