136503125 has 54 divisors (see below), whose sum is σ = 197928738. Its totient is φ = 94050000.

The previous prime is 136503089. The next prime is 136503139. The reversal of 136503125 is 521305631.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

136503125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 63075364 + 73427761 = 7942^2 + 8569^2 .

It is not a de Polignac number, because 136503125 - 2²⁰ = 135454549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136503094 and 136503103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 7184366 + ... + 7184384.

It is an arithmetic number, because the mean of its divisors is an integer number (3665347).

Almost surely, 2^136503125 is an apocalyptic number.

It is an amenable number.

136503125 is a deficient number, since it is larger than the sum of its proper divisors (61425613).

136503125 is an frugal number, since it uses more digits than its factorization.

136503125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 136503125 is about 11683.4551824364. The cubic root of 136503125 is about 514.8896926537.

Adding to 136503125 its reverse (521305631), we get a palindrome (657808756).

The spelling of 136503125 in words is "one hundred thirty-six million, five hundred three thousand, one hundred twenty-five".