15128140 has 24 divisors (see below), whose sum is σ = 32865840. Its totient is φ = 5842368.

The previous prime is 15128137. The next prime is 15128167. The reversal of 15128140 is 4182151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12462 + ... + 13621.

It is an arithmetic number, because the mean of its divisors is an integer number (1369410).

Almost surely, 2^15128140 is an apocalyptic number.

15128140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15128140 is an abundant number, since it is smaller than the sum of its proper divisors (17737700).

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

15128140 is a wasteful number, since it uses less digits than its factorization.

15128140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26121 (or 26119 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 15128140 is about 3889.4909692658. The cubic root of 15128140 is about 247.3214847133.

It can be divided in two parts, 151281 and 40, that added together give a square (151321 = 389²).

The spelling of 15128140 in words is "fifteen million, one hundred twenty-eight thousand, one hundred forty".