134444340403 has 4 divisors (see below), whose sum is σ = 134944133760. Its totient is φ = 133944547048.

The previous prime is 134444340379. The next prime is 134444340427. The reversal of 134444340403 is 304043444431.

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

It is an interprime number because it is at equal distance from previous prime (134444340379) and next prime (134444340427).

It is a cyclic number.

It is not a de Polignac number, because 134444340403 - 2¹⁷ = 134444209331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134444340103) 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, 249896275 + ... + 249896812.

It is an arithmetic number, because the mean of its divisors is an integer number (33736033440).

Almost surely, 2^134444340403 is an apocalyptic number.

134444340403 is a deficient number, since it is larger than the sum of its proper divisors (499793357).

134444340403 is an equidigital number, since it uses as much as digits as its factorization.

134444340403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499793356.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 134444340403 its reverse (304043444431), we get a palindrome (438487784834).

The spelling of 134444340403 in words is "one hundred thirty-four billion, four hundred forty-four million, three hundred forty thousand, four hundred three".