135347479 has 4 divisors (see below), whose sum is σ = 141232176. Its totient is φ = 129462784.

The previous prime is 135347477. The next prime is 135347501. The reversal of 135347479 is 974743531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974743531 = 1709 ⋅570359.

It is a cyclic number.

It is not a de Polignac number, because 135347479 - 2¹ = 135347477 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 (135347477) 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, 2942314 + ... + 2942359.

It is an arithmetic number, because the mean of its divisors is an integer number (35308044).

Almost surely, 2^135347479 is an apocalyptic number.

135347479 is a deficient number, since it is larger than the sum of its proper divisors (5884697).

135347479 is an equidigital number, since it uses as much as digits as its factorization.

135347479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5884696.

The product of its digits is 317520, while the sum is 43.

The square root of 135347479 is about 11633.8935442955. The cubic root of 135347479 is about 513.4325407947.

The spelling of 135347479 in words is "one hundred thirty-five million, three hundred forty-seven thousand, four hundred seventy-nine".