136435625 has 20 divisors (see below), whose sum is σ = 180532836. Its totient is φ = 102720000.

The previous prime is 136435573. The next prime is 136435631. The reversal of 136435625 is 526534631.

It can be written as a sum of positive squares in 10 ways, for example, as 88604569 + 47831056 = 9413^2 + 6916^2 .

It is not a de Polignac number, because 136435625 - 2¹⁶ = 136370089 is a prime.

It is a super-2 number, since 2×136435625² = 37229359538281250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4205 + ... + 17045.

Almost surely, 2^136435625 is an apocalyptic number.

It is an amenable number.

136435625 is a deficient number, since it is larger than the sum of its proper divisors (44097211).

136435625 is an equidigital number, since it uses as much as digits as its factorization.

136435625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12878 (or 12863 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 136435625 is about 11680.5661249787. The cubic root of 136435625 is about 514.8048086762.

The spelling of 136435625 in words is "one hundred thirty-six million, four hundred thirty-five thousand, six hundred twenty-five".