134871749 has 2 divisors, whose sum is σ = 134871750. Its totient is φ = 134871748.

The previous prime is 134871743. The next prime is 134871773. The reversal of 134871749 is 947178431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111154849 + 23716900 = 10543^2 + 4870^2 .

It is a cyclic number.

It is not a de Polignac number, because 134871749 - 2⁸ = 134871493 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134871743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67435874 + 67435875.

It is an arithmetic number, because the mean of its divisors is an integer number (67435875).

Almost surely, 2^134871749 is an apocalyptic number.

It is an amenable number.

134871749 is a deficient number, since it is larger than the sum of its proper divisors (1).

134871749 is an equidigital number, since it uses as much as digits as its factorization.

134871749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 44.

The square root of 134871749 is about 11613.4296829145. The cubic root of 134871749 is about 512.8302835517.

The spelling of 134871749 in words is "one hundred thirty-four million, eight hundred seventy-one thousand, seven hundred forty-nine".