134403047 has 2 divisors, whose sum is σ = 134403048. Its totient is φ = 134403046.

The previous prime is 134403019. The next prime is 134403091. The reversal of 134403047 is 740304431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134403047 is a prime.

It is equal to p_7613513 and since 134403047 and 7613513 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134403097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67201523 + 67201524.

It is an arithmetic number, because the mean of its divisors is an integer number (67201524).

Almost surely, 2^134403047 is an apocalyptic number.

134403047 is a deficient number, since it is larger than the sum of its proper divisors (1).

134403047 is an equidigital number, since it uses as much as digits as its factorization.

134403047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 134403047 is about 11593.2328105667. The cubic root of 134403047 is about 512.2355369228.

Adding to 134403047 its reverse (740304431), we get a palindrome (874707478).

The spelling of 134403047 in words is "one hundred thirty-four million, four hundred three thousand, forty-seven".