134247225 has 24 divisors (see below), whose sum is σ = 253664320. Its totient is φ = 61369920.

The previous prime is 134247221. The next prime is 134247227. The reversal of 134247225 is 522742431.

It is not a de Polignac number, because 134247225 - 2² = 134247221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134247192 and 134247201.

It is not an unprimeable number, because it can be changed into a prime (134247221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127330 + ... + 128379.

Almost surely, 2^134247225 is an apocalyptic number.

134247225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134247225 is a deficient number, since it is larger than the sum of its proper divisors (119417095).

134247225 is a wasteful number, since it uses less digits than its factorization.

134247225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255729 (or 255724 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 134247225 is about 11586.5104755487. The cubic root of 134247225 is about 512.0375046278.

Adding to 134247225 its reverse (522742431), we get a palindrome (656989656).

The spelling of 134247225 in words is "one hundred thirty-four million, two hundred forty-seven thousand, two hundred twenty-five".