134285479 has 2 divisors, whose sum is σ = 134285480. Its totient is φ = 134285478.

The previous prime is 134285453. The next prime is 134285491. The reversal of 134285479 is 974582431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134285479 - 2⁵ = 134285447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134285419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67142739 + 67142740.

It is an arithmetic number, because the mean of its divisors is an integer number (67142740).

Almost surely, 2^134285479 is an apocalyptic number.

134285479 is a deficient number, since it is larger than the sum of its proper divisors (1).

134285479 is an equidigital number, since it uses as much as digits as its factorization.

134285479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The square root of 134285479 is about 11588.1611569740. The cubic root of 134285479 is about 512.0861353598.

The spelling of 134285479 in words is "one hundred thirty-four million, two hundred eighty-five thousand, four hundred seventy-nine".