134204407 has 2 divisors, whose sum is σ = 134204408. Its totient is φ = 134204406.

The previous prime is 134204401. The next prime is 134204423. The reversal of 134204407 is 704402431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134204407 - 2¹¹ = 134202359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134204401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67102203 + 67102204.

It is an arithmetic number, because the mean of its divisors is an integer number (67102204).

Almost surely, 2^134204407 is an apocalyptic number.

134204407 is a deficient number, since it is larger than the sum of its proper divisors (1).

134204407 is an equidigital number, since it uses as much as digits as its factorization.

134204407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 134204407 is about 11584.6625760097. The cubic root of 134204407 is about 511.9830609122.

Adding to 134204407 its reverse (704402431), we get a palindrome (838606838).

The spelling of 134204407 in words is "one hundred thirty-four million, two hundred four thousand, four hundred seven".