134243453 has 4 divisors (see below), whose sum is σ = 135860928. Its totient is φ = 132625980.

The previous prime is 134243449. The next prime is 134243489. The reversal of 134243453 is 354342431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134243453 - 2² = 134243449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134243653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808613 + ... + 808778.

It is an arithmetic number, because the mean of its divisors is an integer number (33965232).

Almost surely, 2^134243453 is an apocalyptic number.

It is an amenable number.

134243453 is a deficient number, since it is larger than the sum of its proper divisors (1617475).

134243453 is an equidigital number, since it uses as much as digits as its factorization.

134243453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617474.

The product of its digits is 17280, while the sum is 29.

The square root of 134243453 is about 11586.3476989084. The cubic root of 134243453 is about 512.0327089394.

Adding to 134243453 its reverse (354342431), we get a palindrome (488585884).

The spelling of 134243453 in words is "one hundred thirty-four million, two hundred forty-three thousand, four hundred fifty-three".