135107125 has 8 divisors (see below), whose sum is σ = 168613848. Its totient is φ = 108085600.

The previous prime is 135107117. The next prime is 135107149. The reversal of 135107125 is 521701531.

It can be written as a sum of positive squares in 4 ways, for example, as 12996 + 135094129 = 114^2 + 11623^2 .

It is not a de Polignac number, because 135107125 - 2³ = 135107117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135107125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540304 + ... + 540553.

It is an arithmetic number, because the mean of its divisors is an integer number (21076731).

Almost surely, 2^135107125 is an apocalyptic number.

It is an amenable number.

135107125 is a deficient number, since it is larger than the sum of its proper divisors (33506723).

135107125 is an equidigital number, since it uses as much as digits as its factorization.

135107125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080872 (or 1080862 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 135107125 is about 11623.5590504802. The cubic root of 135107125 is about 513.1284378860.

Adding to 135107125 its reverse (521701531), we get a palindrome (656808656).

The spelling of 135107125 in words is "one hundred thirty-five million, one hundred seven thousand, one hundred twenty-five".