134441689 has 2 divisors, whose sum is σ = 134441690. Its totient is φ = 134441688.

The previous prime is 134441641. The next prime is 134441717. The reversal of 134441689 is 986144431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129960000 + 4481689 = 11400^2 + 2117^2 .

It is a cyclic number.

It is not a de Polignac number, because 134441689 - 2¹⁵ = 134408921 is a prime.

It is not a weakly prime, because it can be changed into another prime (134441639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67220844 + 67220845.

It is an arithmetic number, because the mean of its divisors is an integer number (67220845).

Almost surely, 2^134441689 is an apocalyptic number.

It is an amenable number.

134441689 is a deficient number, since it is larger than the sum of its proper divisors (1).

134441689 is an equidigital number, since it uses as much as digits as its factorization.

134441689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 134441689 is about 11594.8992664878. The cubic root of 134441689 is about 512.2846228858.

The spelling of 134441689 in words is "one hundred thirty-four million, four hundred forty-one thousand, six hundred eighty-nine".