137536225 has 6 divisors (see below), whose sum is σ = 170544950. Its totient is φ = 110028960.

The previous prime is 137536207. The next prime is 137536237. The reversal of 137536225 is 522635731.

It can be written as a sum of positive squares in 3 ways, for example, as 13191424 + 124344801 = 3632^2 + 11151^2 .

It is not a de Polignac number, because 137536225 - 2¹³ = 137528033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2750700 + ... + 2750749.

Almost surely, 2^137536225 is an apocalyptic number.

It is an amenable number.

137536225 is a deficient number, since it is larger than the sum of its proper divisors (33008725).

137536225 is an equidigital number, since it uses as much as digits as its factorization.

137536225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501459 (or 5501454 counting only the distinct ones).

The product of its digits is 37800, while the sum is 34.

The square root of 137536225 is about 11727.5839370264. The cubic root of 137536225 is about 516.1853802297.

The spelling of 137536225 in words is "one hundred thirty-seven million, five hundred thirty-six thousand, two hundred twenty-five".