136307225 has 12 divisors (see below), whose sum is σ = 170575020. Its totient is φ = 108043200.

The previous prime is 136307209. The next prime is 136307231. The reversal of 136307225 is 522703631.

It can be written as a sum of positive squares in 6 ways, for example, as 444889 + 135862336 = 667^2 + 11656^2 .

It is not a de Polignac number, because 136307225 - 2⁴ = 136307209 is a prime.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 22286 + ... + 27735.

It is an arithmetic number, because the mean of its divisors is an integer number (14214585).

Almost surely, 2^136307225 is an apocalyptic number.

It is an amenable number.

136307225 is a deficient number, since it is larger than the sum of its proper divisors (34267795).

136307225 is a wasteful number, since it uses less digits than its factorization.

136307225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50140 (or 50135 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 136307225 is about 11675.0685222829. The cubic root of 136307225 is about 514.6432631752.

The spelling of 136307225 in words is "one hundred thirty-six million, three hundred seven thousand, two hundred twenty-five".