15000135 has 16 divisors (see below), whose sum is σ = 24089184. Its totient is φ = 7970432.

The previous prime is 15000131. The next prime is 15000151. The reversal of 15000135 is 53100051.

15000135 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 15000135 - 2² = 15000131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

15000135 is a modest number, since divided by 135 gives 15 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15000131) 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, 2689 + ... + 6101.

It is an arithmetic number, because the mean of its divisors is an integer number (1505574).

Almost surely, 2^15000135 is an apocalyptic number.

15000135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15000135 is a deficient number, since it is larger than the sum of its proper divisors (9089049).

15000135 is a wasteful number, since it uses less digits than its factorization.

15000135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 15000135 is about 3873.0007745933. Note that the first 3 decimals coincide. The cubic root of 15000135 is about 246.6219472944.

Adding to 15000135 its reverse (53100051), we get a palindrome (68100186).

The spelling of 15000135 in words is "fifteen million, one hundred thirty-five", and thus it is an aban number.