134554243 has 2 divisors, whose sum is σ = 134554244. Its totient is φ = 134554242.

The previous prime is 134554213. The next prime is 134554253. The reversal of 134554243 is 342455431.

It is a strong prime.

It is an emirp because it is prime and its reverse (342455431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134554243 is a prime.

It is not a weakly prime, because it can be changed into another prime (134554213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67277121 + 67277122.

It is an arithmetic number, because the mean of its divisors is an integer number (67277122).

Almost surely, 2^134554243 is an apocalyptic number.

134554243 is a deficient number, since it is larger than the sum of its proper divisors (1).

134554243 is an equidigital number, since it uses as much as digits as its factorization.

134554243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 31.

The square root of 134554243 is about 11599.7518507941. The cubic root of 134554243 is about 512.4275438317.

The spelling of 134554243 in words is "one hundred thirty-four million, five hundred fifty-four thousand, two hundred forty-three".