134404997 has 2 divisors, whose sum is σ = 134404998. Its totient is φ = 134404996.

The previous prime is 134404987. The next prime is 134405039. The reversal of 134404997 is 799404431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102131236 + 32273761 = 10106^2 + 5681^2 .

It is a cyclic number.

It is not a de Polignac number, because 134404997 - 2⁸ = 134404741 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 (134404967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67202498 + 67202499.

It is an arithmetic number, because the mean of its divisors is an integer number (67202499).

Almost surely, 2^134404997 is an apocalyptic number.

It is an amenable number.

134404997 is a deficient number, since it is larger than the sum of its proper divisors (1).

134404997 is an equidigital number, since it uses as much as digits as its factorization.

134404997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 134404997 is about 11593.3169110484. The cubic root of 134404997 is about 512.2380141843.

The spelling of 134404997 in words is "one hundred thirty-four million, four hundred four thousand, nine hundred ninety-seven".