134744644033 has 4 divisors (see below), whose sum is σ = 134749963348. Its totient is φ = 134739324720.

The previous prime is 134744644003. The next prime is 134744644057. The reversal of 134744644033 is 330446447431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90557661184 + 44186982849 = 300928^2 + 210207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134744644033 is a prime.

It is a super-2 number, since 2×134744644033² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134744644003) 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, 2621478 + ... + 2672383.

It is an arithmetic number, because the mean of its divisors is an integer number (33687490837).

Almost surely, 2^134744644033 is an apocalyptic number.

It is an amenable number.

134744644033 is a deficient number, since it is larger than the sum of its proper divisors (5319315).

134744644033 is an equidigital number, since it uses as much as digits as its factorization.

134744644033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319314.

The product of its (nonzero) digits is 1161216, while the sum is 43.

The spelling of 134744644033 in words is "one hundred thirty-four billion, seven hundred forty-four million, six hundred forty-four thousand, thirty-three".