15135020 has 24 divisors (see below), whose sum is σ = 33457200. Its totient is φ = 5735232.

The previous prime is 15135019. The next prime is 15135047. The reversal of 15135020 is 2053151.

It is a self number, because there is not a number n which added to its sum of digits gives 15135020.

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, 19535 + ... + 20294.

It is an arithmetic number, because the mean of its divisors is an integer number (1394050).

Almost surely, 2^15135020 is an apocalyptic number.

15135020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15135020 is an abundant number, since it is smaller than the sum of its proper divisors (18322180).

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

15135020 is a wasteful number, since it uses less digits than its factorization.

15135020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39857 (or 39855 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 15135020 is about 3890.3753032323. The cubic root of 15135020 is about 247.3589714529.

Adding to 15135020 its reverse (2053151), we get a palindrome (17188171).

The spelling of 15135020 in words is "fifteen million, one hundred thirty-five thousand, twenty".