134637443 has 4 divisors (see below), whose sum is σ = 135541200. Its totient is φ = 133733688.

The previous prime is 134637427. The next prime is 134637449. The reversal of 134637443 is 344736431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344736431 = 13 ⋅26518187.

It is a cyclic number.

It is not a de Polignac number, because 134637443 - 2⁴ = 134637427 is a prime.

It is a super-3 number, since 3×134637443³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134637449) 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 3 ways as a sum of consecutive naturals, for example, 451655 + ... + 451952.

It is an arithmetic number, because the mean of its divisors is an integer number (33885300).

Almost surely, 2^134637443 is an apocalyptic number.

134637443 is a deficient number, since it is larger than the sum of its proper divisors (903757).

134637443 is an equidigital number, since it uses as much as digits as its factorization.

134637443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903756.

The product of its digits is 72576, while the sum is 35.

The square root of 134637443 is about 11603.3375801965. The cubic root of 134637443 is about 512.5331398757.

The spelling of 134637443 in words is "one hundred thirty-four million, six hundred thirty-seven thousand, four hundred forty-three".