136446625 has 24 divisors (see below), whose sum is σ = 198095976. Its totient is φ = 93559200.

The previous prime is 136446623. The next prime is 136446631. The reversal of 136446625 is 526644631.

It can be written as a sum of positive squares in 4 ways, for example, as 117649 + 136328976 = 343^2 + 11676^2 .

It is not a de Polignac number, because 136446625 - 2¹ = 136446623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136446623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5014 + ... + 17263.

It is an arithmetic number, because the mean of its divisors is an integer number (8253999).

Almost surely, 2^136446625 is an apocalyptic number.

It is an amenable number.

136446625 is a deficient number, since it is larger than the sum of its proper divisors (61649351).

136446625 is an equidigital number, since it uses as much as digits as its factorization.

136446625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22306 (or 22289 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 136446625 is about 11681.0369830765. The cubic root of 136446625 is about 514.8186435299.

The spelling of 136446625 in words is "one hundred thirty-six million, four hundred forty-six thousand, six hundred twenty-five".