133602225 has 12 divisors (see below), whose sum is σ = 220889136. Its totient is φ = 71254480.

The previous prime is 133602223. The next prime is 133602229. The reversal of 133602225 is 522206331.

It is not a de Polignac number, because 133602225 - 2¹ = 133602223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133602195 and 133602204.

It is not an unprimeable number, because it can be changed into a prime (133602223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 890607 + ... + 890756.

It is an arithmetic number, because the mean of its divisors is an integer number (18407428).

Almost surely, 2^133602225 is an apocalyptic number.

133602225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133602225 is a deficient number, since it is larger than the sum of its proper divisors (87286911).

133602225 is a wasteful number, since it uses less digits than its factorization.

133602225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781376 (or 1781371 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 133602225 is about 11558.6428701643. The cubic root of 133602225 is about 511.2161480287.

Adding to 133602225 its reverse (522206331), we get a palindrome (655808556).

The spelling of 133602225 in words is "one hundred thirty-three million, six hundred two thousand, two hundred twenty-five".