135550025 has 24 divisors (see below), whose sum is σ = 181576920. Its totient is φ = 99786240.

The previous prime is 135550013. The next prime is 135550033. The reversal of 135550025 is 520055531.

It can be written as a sum of positive squares in 12 ways, for example, as 42562576 + 92987449 = 6524^2 + 9643^2 .

It is not a de Polignac number, because 135550025 - 2⁸ = 135549769 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 135549976 and 135550003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184559 + ... + 185291.

It is an arithmetic number, because the mean of its divisors is an integer number (7565705).

Almost surely, 2^135550025 is an apocalyptic number.

It is an amenable number.

135550025 is a deficient number, since it is larger than the sum of its proper divisors (46026895).

135550025 is a wasteful number, since it uses less digits than its factorization.

135550025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 135550025 is about 11642.5952862753. The cubic root of 135550025 is about 513.6885285090.

The spelling of 135550025 in words is "one hundred thirty-five million, five hundred fifty thousand, twenty-five".