134545399 has 2 divisors, whose sum is σ = 134545400. Its totient is φ = 134545398.

The previous prime is 134545391. The next prime is 134545417. The reversal of 134545399 is 993545431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134545399 - 2³ = 134545391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134545391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67272699 + 67272700.

It is an arithmetic number, because the mean of its divisors is an integer number (67272700).

Almost surely, 2^134545399 is an apocalyptic number.

134545399 is a deficient number, since it is larger than the sum of its proper divisors (1).

134545399 is an equidigital number, since it uses as much as digits as its factorization.

134545399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 43.

The square root of 134545399 is about 11599.3706294781. The cubic root of 134545399 is about 512.4163166161.

The spelling of 134545399 in words is "one hundred thirty-four million, five hundred forty-five thousand, three hundred ninety-nine".