135386225 has 12 divisors (see below), whose sum is σ = 180793116. Its totient is φ = 99977280.

The previous prime is 135386203. The next prime is 135386261. The reversal of 135386225 is 522683531.

It can be written as a sum of positive squares in 6 ways, for example, as 9138529 + 126247696 = 3023^2 + 11236^2 .

It is not a de Polignac number, because 135386225 - 2¹⁸ = 135124081 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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 (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207962 + ... + 208611.

It is an arithmetic number, because the mean of its divisors is an integer number (15066093).

Almost surely, 2^135386225 is an apocalyptic number.

It is an amenable number.

135386225 is a deficient number, since it is larger than the sum of its proper divisors (45406891).

135386225 is a wasteful number, since it uses less digits than its factorization.

135386225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416596 (or 416591 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 135386225 is about 11635.5586458064. The cubic root of 135386225 is about 513.4815296624.

It can be divided in two parts, 1353 and 86225, that added together give a palindrome (87578).

The spelling of 135386225 in words is "one hundred thirty-five million, three hundred eighty-six thousand, two hundred twenty-five".