134420452 has 24 divisors (see below), whose sum is σ = 244661760. Its totient is φ = 64542240.

The previous prime is 134420449. The next prime is 134420453. The reversal of 134420452 is 254024431.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (134420453) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19123 + ... + 25189.

It is an arithmetic number, because the mean of its divisors is an integer number (10194240).

Almost surely, 2^134420452 is an apocalyptic number.

It is an amenable number.

134420452 is a deficient number, since it is larger than the sum of its proper divisors (110241308).

134420452 is a wasteful number, since it uses less digits than its factorization.

134420452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6291 (or 6289 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 134420452 is about 11593.9834396984. The cubic root of 134420452 is about 512.2576472219.

Adding to 134420452 its reverse (254024431), we get a palindrome (388444883).

The spelling of 134420452 in words is "one hundred thirty-four million, four hundred twenty thousand, four hundred fifty-two".