134700409 has 2 divisors, whose sum is σ = 134700410. Its totient is φ = 134700408.

The previous prime is 134700373. The next prime is 134700427. The reversal of 134700409 is 904007431.

134700409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122168809 + 12531600 = 11053^2 + 3540^2 .

It is a cyclic number.

It is not a de Polignac number, because 134700409 - 2⁷ = 134700281 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134700509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67350204 + 67350205.

It is an arithmetic number, because the mean of its divisors is an integer number (67350205).

Almost surely, 2^134700409 is an apocalyptic number.

It is an amenable number.

134700409 is a deficient number, since it is larger than the sum of its proper divisors (1).

134700409 is an equidigital number, since it uses as much as digits as its factorization.

134700409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 134700409 is about 11606.0505340964. The cubic root of 134700409 is about 512.6130263504.

The spelling of 134700409 in words is "one hundred thirty-four million, seven hundred thousand, four hundred nine".