15135740 has 48 divisors (see below), whose sum is σ = 32931360. Its totient is φ = 5840640.

The previous prime is 15135737. The next prime is 15135749. The reversal of 15135740 is 4753151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15135749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115475 + ... + 115605.

It is an arithmetic number, because the mean of its divisors is an integer number (686070).

Almost surely, 2^15135740 is an apocalyptic number.

15135740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15135740 is an abundant number, since it is smaller than the sum of its proper divisors (17795620).

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

15135740 is a wasteful number, since it uses less digits than its factorization.

15135740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 15135740 is about 3890.4678381912. The cubic root of 15135740 is about 247.3628938271.

Adding to 15135740 its reverse (4753151), we get a palindrome (19888891).

The spelling of 15135740 in words is "fifteen million, one hundred thirty-five thousand, seven hundred forty".