134843693 has 2 divisors, whose sum is σ = 134843694. Its totient is φ = 134843692.

The previous prime is 134843663. The next prime is 134843699. The reversal of 134843693 is 396348431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78623689 + 56220004 = 8867^2 + 7498^2 .

It is a cyclic number.

It is not a de Polignac number, because 134843693 - 2¹⁶ = 134778157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134843693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134843699) 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, 67421846 + 67421847.

It is an arithmetic number, because the mean of its divisors is an integer number (67421847).

Almost surely, 2^134843693 is an apocalyptic number.

It is an amenable number.

134843693 is a deficient number, since it is larger than the sum of its proper divisors (1).

134843693 is an equidigital number, since it uses as much as digits as its factorization.

134843693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 41.

The square root of 134843693 is about 11612.2217081832. The cubic root of 134843693 is about 512.7947214607.

The spelling of 134843693 in words is "one hundred thirty-four million, eight hundred forty-three thousand, six hundred ninety-three".