134549143 has 2 divisors, whose sum is σ = 134549144. Its totient is φ = 134549142.

The previous prime is 134549123. The next prime is 134549159. The reversal of 134549143 is 341945431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134549143 - 2⁵ = 134549111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134549099 and 134549108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134549123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67274571 + 67274572.

It is an arithmetic number, because the mean of its divisors is an integer number (67274572).

Almost surely, 2^134549143 is an apocalyptic number.

134549143 is a deficient number, since it is larger than the sum of its proper divisors (1).

134549143 is an equidigital number, since it uses as much as digits as its factorization.

134549143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 134549143 is about 11599.5320164220. The cubic root of 134549143 is about 512.4210695816.

The spelling of 134549143 in words is "one hundred thirty-four million, five hundred forty-nine thousand, one hundred forty-three".