134485447 has 4 divisors (see below), whose sum is σ = 134545096. Its totient is φ = 134425800.

The previous prime is 134485427. The next prime is 134485451. The reversal of 134485447 is 744584431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134485447 - 2¹⁹ = 133961159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134485427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26304 + ... + 30997.

It is an arithmetic number, because the mean of its divisors is an integer number (33636274).

Almost surely, 2^134485447 is an apocalyptic number.

134485447 is a deficient number, since it is larger than the sum of its proper divisors (59649).

134485447 is an equidigital number, since it uses as much as digits as its factorization.

134485447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59648.

The product of its digits is 215040, while the sum is 40.

The square root of 134485447 is about 11596.7860633884. The cubic root of 134485447 is about 512.3401962204.

The spelling of 134485447 in words is "one hundred thirty-four million, four hundred eighty-five thousand, four hundred forty-seven".