136511125 has 8 divisors (see below), whose sum is σ = 170366040. Its totient is φ = 109208800.

The previous prime is 136511113. The next prime is 136511129. The reversal of 136511125 is 521115631.

It is a happy number.

136511125 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 4 ways, for example, as 4008004 + 132503121 = 2002^2 + 11511^2 .

It is not a de Polignac number, because 136511125 - 2⁹ = 136510613 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 136511125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136511129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545920 + ... + 546169.

It is an arithmetic number, because the mean of its divisors is an integer number (21295755).

Almost surely, 2^136511125 is an apocalyptic number.

It is an amenable number.

136511125 is a deficient number, since it is larger than the sum of its proper divisors (33854915).

136511125 is an equidigital number, since it uses as much as digits as its factorization.

136511125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092104 (or 1092094 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

The square root of 136511125 is about 11683.7975418954. The cubic root of 136511125 is about 514.8997511220.

Adding to 136511125 its reverse (521115631), we get a palindrome (657626756).

The spelling of 136511125 in words is "one hundred thirty-six million, five hundred eleven thousand, one hundred twenty-five".