134140043 has 4 divisors (see below), whose sum is σ = 134376360. Its totient is φ = 133903728.

The previous prime is 134140031. The next prime is 134140049. The reversal of 134140043 is 340041431.

It is a happy number.

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 134140043 - 2¹⁸ = 133877899 is a prime.

It is a super-2 number, since 2×134140043² = 35987102272083698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134139997 and 134140024.

It is not an unprimeable number, because it can be changed into a prime (134140049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117305 + ... + 118442.

It is an arithmetic number, because the mean of its divisors is an integer number (33594090).

Almost surely, 2^134140043 is an apocalyptic number.

134140043 is a deficient number, since it is larger than the sum of its proper divisors (236317).

134140043 is an equidigital number, since it uses as much as digits as its factorization.

134140043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236316.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 134140043 is about 11581.8842594804. The cubic root of 134140043 is about 511.9011993500.

Adding to 134140043 its reverse (340041431), we get a palindrome (474181474).

The spelling of 134140043 in words is "one hundred thirty-four million, one hundred forty thousand, forty-three".