134420025 has 12 divisors (see below), whose sum is σ = 222241232. Its totient is φ = 71690640.

The previous prime is 134419979. The next prime is 134420029. The reversal of 134420025 is 520024431.

It is not a de Polignac number, because 134420025 - 2¹⁰ = 134419001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 134419983 and 134420010.

It is not an unprimeable number, because it can be changed into a prime (134420029) 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, 896059 + ... + 896208.

Almost surely, 2^134420025 is an apocalyptic number.

134420025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134420025 is a deficient number, since it is larger than the sum of its proper divisors (87821207).

134420025 is a wasteful number, since it uses less digits than its factorization.

134420025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792280 (or 1792275 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 134420025 is about 11593.9650249602. The cubic root of 134420025 is about 512.2571048088.

Adding to 134420025 its reverse (520024431), we get a palindrome (654444456).

The spelling of 134420025 in words is "one hundred thirty-four million, four hundred twenty thousand, twenty-five".