135134647 has 4 divisors (see below), whose sum is σ = 138430656. Its totient is φ = 131838640.

The previous prime is 135134633. The next prime is 135134653. The reversal of 135134647 is 746431531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746431531 = 5113 ⋅145987.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135134647 is a prime.

It is a super-2 number, since 2×135134647² = 36522745639629218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135134617) 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 in 3 ways as a sum of consecutive naturals, for example, 1647943 + ... + 1648024.

It is an arithmetic number, because the mean of its divisors is an integer number (34607664).

Almost surely, 2^135134647 is an apocalyptic number.

135134647 is a deficient number, since it is larger than the sum of its proper divisors (3296009).

135134647 is an equidigital number, since it uses as much as digits as its factorization.

135134647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296008.

The product of its digits is 30240, while the sum is 34.

The square root of 135134647 is about 11624.7428788769. The cubic root of 135134647 is about 513.1632778005.

The spelling of 135134647 in words is "one hundred thirty-five million, one hundred thirty-four thousand, six hundred forty-seven".