134199493 has 2 divisors, whose sum is σ = 134199494. Its totient is φ = 134199492.

The previous prime is 134199487. The next prime is 134199497. The reversal of 134199493 is 394991431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85507009 + 48692484 = 9247^2 + 6978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134199493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134199497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67099746 + 67099747.

It is an arithmetic number, because the mean of its divisors is an integer number (67099747).

Almost surely, 2^134199493 is an apocalyptic number.

It is an amenable number.

134199493 is a deficient number, since it is larger than the sum of its proper divisors (1).

134199493 is an equidigital number, since it uses as much as digits as its factorization.

134199493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 43.

The square root of 134199493 is about 11584.4504832987. The cubic root of 134199493 is about 511.9768119483.

The spelling of 134199493 in words is "one hundred thirty-four million, one hundred ninety-nine thousand, four hundred ninety-three".