134621225 has 6 divisors (see below), whose sum is σ = 166930350. Its totient is φ = 107696960.

The previous prime is 134621197. The next prime is 134621239. The reversal of 134621225 is 522126431.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 34140649 + 100480576 = 5843^2 + 10024^2 .

It is not a de Polignac number, because 134621225 - 2¹⁰ = 134620201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134621194 and 134621203.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2692400 + ... + 2692449.

It is an arithmetic number, because the mean of its divisors is an integer number (27821725).

Almost surely, 2^134621225 is an apocalyptic number.

It is an amenable number.

134621225 is a deficient number, since it is larger than the sum of its proper divisors (32309125).

134621225 is an equidigital number, since it uses as much as digits as its factorization.

134621225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5384859 (or 5384854 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 134621225 is about 11602.6387085008. The cubic root of 134621225 is about 512.5125596763.

Adding to 134621225 its reverse (522126431), we get a palindrome (656747656).

The spelling of 134621225 in words is "one hundred thirty-four million, six hundred twenty-one thousand, two hundred twenty-five".