134993489 has 2 divisors, whose sum is σ = 134993490. Its totient is φ = 134993488.

The previous prime is 134993483. The next prime is 134993513. The reversal of 134993489 is 984399431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134908225 + 85264 = 11615^2 + 292^2 .

It is a cyclic number.

It is not a de Polignac number, because 134993489 - 2¹⁶ = 134927953 is a prime.

It is not a weakly prime, because it can be changed into another prime (134993483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67496744 + 67496745.

It is an arithmetic number, because the mean of its divisors is an integer number (67496745).

Almost surely, 2^134993489 is an apocalyptic number.

It is an amenable number.

134993489 is a deficient number, since it is larger than the sum of its proper divisors (1).

134993489 is an equidigital number, since it uses as much as digits as its factorization.

134993489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 50.

The square root of 134993489 is about 11618.6698464153. The cubic root of 134993489 is about 512.9845367198.

The spelling of 134993489 in words is "one hundred thirty-four million, nine hundred ninety-three thousand, four hundred eighty-nine".