134442456 has 32 divisors (see below), whose sum is σ = 337974000. Its totient is φ = 44565120.

The previous prime is 134442431. The next prime is 134442457. The reversal of 134442456 is 654244431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134442457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11131 + ... + 19818.

Almost surely, 2^134442456 is an apocalyptic number.

It is an amenable number.

134442456 is an abundant number, since it is smaller than the sum of its proper divisors (203531544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134442456 is a wasteful number, since it uses less digits than its factorization.

134442456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31139 (or 31135 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 134442456 is about 11594.9323413291. The cubic root of 134442456 is about 512.2855970914.

Adding to 134442456 its reverse (654244431), we get a palindrome (788686887).

The spelling of 134442456 in words is "one hundred thirty-four million, four hundred forty-two thousand, four hundred fifty-six".