134717783 has 2 divisors, whose sum is σ = 134717784. Its totient is φ = 134717782.

The previous prime is 134717773. The next prime is 134717797. The reversal of 134717783 is 387717431.

It is a weak prime.

It is an emirp because it is prime and its reverse (387717431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134717783 - 2⁶ = 134717719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134717783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134717773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67358891 + 67358892.

It is an arithmetic number, because the mean of its divisors is an integer number (67358892).

Almost surely, 2^134717783 is an apocalyptic number.

134717783 is a deficient number, since it is larger than the sum of its proper divisors (1).

134717783 is an equidigital number, since it uses as much as digits as its factorization.

134717783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 41.

The square root of 134717783 is about 11606.7989988627. The cubic root of 134717783 is about 512.6350647785.

The spelling of 134717783 in words is "one hundred thirty-four million, seven hundred seventeen thousand, seven hundred eighty-three".