136611425 has 18 divisors (see below), whose sum is σ = 178794918. Its totient is φ = 103530240.

The previous prime is 136611401. The next prime is 136611427. The reversal of 136611425 is 524116631.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12222016 + 124389409 = 3496^2 + 11153^2 .

It is not a de Polignac number, because 136611425 - 2⁸ = 136611169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136611427) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1457 + ... + 16593.

It is an arithmetic number, because the mean of its divisors is an integer number (9933051).

Almost surely, 2^136611425 is an apocalyptic number.

It is an amenable number.

136611425 is a deficient number, since it is larger than the sum of its proper divisors (42183493).

136611425 is a wasteful number, since it uses less digits than its factorization.

136611425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15185 (or 15161 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 136611425 is about 11688.0890225905. The cubic root of 136611425 is about 515.0258258328.

The spelling of 136611425 in words is "one hundred thirty-six million, six hundred eleven thousand, four hundred twenty-five".