135460447 has 4 divisors (see below), whose sum is σ = 136169856. Its totient is φ = 134751040.

The previous prime is 135460417. The next prime is 135460459. The reversal of 135460447 is 744064531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 744064531 = 7 ⋅106294933.

It is a cyclic number.

It is not a de Polignac number, because 135460447 - 2¹¹ = 135458399 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 (135460417) 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, 354418 + ... + 354799.

It is an arithmetic number, because the mean of its divisors is an integer number (34042464).

Almost surely, 2^135460447 is an apocalyptic number.

135460447 is a deficient number, since it is larger than the sum of its proper divisors (709409).

135460447 is an equidigital number, since it uses as much as digits as its factorization.

135460447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709408.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 135460447 is about 11638.7476559980. The cubic root of 135460447 is about 513.5753468476.

The spelling of 135460447 in words is "one hundred thirty-five million, four hundred sixty thousand, four hundred forty-seven".