135103125 has 24 divisors (see below), whose sum is σ = 225173088. Its totient is φ = 72050000.

The previous prime is 135103123. The next prime is 135103147. The reversal of 135103125 is 521301531.

It is not a de Polignac number, because 135103125 - 2¹ = 135103123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135103121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2170 + ... + 16580.

It is an arithmetic number, because the mean of its divisors is an integer number (9382212).

Almost surely, 2^135103125 is an apocalyptic number.

135103125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135103125 is a deficient number, since it is larger than the sum of its proper divisors (90069963).

135103125 is an frugal number, since it uses more digits than its factorization.

135103125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14439 (or 14419 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 135103125 is about 11623.3869848681. The cubic root of 135103125 is about 513.1233739192.

Adding to 135103125 its reverse (521301531), we get a palindrome (656404656).

The spelling of 135103125 in words is "one hundred thirty-five million, one hundred three thousand, one hundred twenty-five".