134884643 has 2 divisors, whose sum is σ = 134884644. Its totient is φ = 134884642.

The previous prime is 134884637. The next prime is 134884657. The reversal of 134884643 is 346488431.

It is a weak prime.

It is an emirp because it is prime and its reverse (346488431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134884643 - 2¹² = 134880547 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134884643.

It is not a weakly prime, because it can be changed into another prime (134884663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67442321 + 67442322.

It is an arithmetic number, because the mean of its divisors is an integer number (67442322).

Almost surely, 2^134884643 is an apocalyptic number.

134884643 is a deficient number, since it is larger than the sum of its proper divisors (1).

134884643 is an equidigital number, since it uses as much as digits as its factorization.

134884643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 41.

The square root of 134884643 is about 11613.9848028142. The cubic root of 134884643 is about 512.8466255532.

The spelling of 134884643 in words is "one hundred thirty-four million, eight hundred eighty-four thousand, six hundred forty-three".