134200540423 has 4 divisors (see below), whose sum is σ = 135817414488. Its totient is φ = 132583666360.

The previous prime is 134200540393. The next prime is 134200540427. The reversal of 134200540423 is 324045002431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324045002431 = 351643 ⋅921517.

It is a cyclic number.

It is not a de Polignac number, because 134200540423 - 2¹⁷ = 134200409351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134200540391 and 134200540400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134200540427) 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, 808436908 + ... + 808437073.

It is an arithmetic number, because the mean of its divisors is an integer number (33954353622).

Almost surely, 2^134200540423 is an apocalyptic number.

134200540423 is a deficient number, since it is larger than the sum of its proper divisors (1616874065).

134200540423 is an equidigital number, since it uses as much as digits as its factorization.

134200540423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616874064.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 134200540423 its reverse (324045002431), we get a palindrome (458245542854).

The spelling of 134200540423 in words is "one hundred thirty-four billion, two hundred million, five hundred forty thousand, four hundred twenty-three".