134125543 has 4 divisors (see below), whose sum is σ = 134820688. Its totient is φ = 133430400.

The previous prime is 134125531. The next prime is 134125559. The reversal of 134125543 is 345521431.

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

It is a cyclic number.

It is not a de Polignac number, because 134125543 - 2¹³ = 134117351 is a prime.

It is a super-2 number, since 2×134125543² = 35979322570089698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134125513) 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, 347283 + ... + 347668.

It is an arithmetic number, because the mean of its divisors is an integer number (33705172).

Almost surely, 2^134125543 is an apocalyptic number.

134125543 is a deficient number, since it is larger than the sum of its proper divisors (695145).

134125543 is an equidigital number, since it uses as much as digits as its factorization.

134125543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695144.

The product of its digits is 7200, while the sum is 28.

The square root of 134125543 is about 11581.2582649728. The cubic root of 134125543 is about 511.8827538640.

Adding to 134125543 its reverse (345521431), we get a palindrome (479646974).

The spelling of 134125543 in words is "one hundred thirty-four million, one hundred twenty-five thousand, five hundred forty-three".