135827747 has 4 divisors (see below), whose sum is σ = 148175736. Its totient is φ = 123479760.

The previous prime is 135827723. The next prime is 135827779. The reversal of 135827747 is 747728531.

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 135827747 - 2⁶ = 135827683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135827698 and 135827707.

It is not an unprimeable number, because it can be changed into a prime (135827717) 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, 6173978 + ... + 6173999.

It is an arithmetic number, because the mean of its divisors is an integer number (37043934).

Almost surely, 2^135827747 is an apocalyptic number.

135827747 is a deficient number, since it is larger than the sum of its proper divisors (12347989).

135827747 is a wasteful number, since it uses less digits than its factorization.

135827747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12347988.

The product of its digits is 329280, while the sum is 44.

The square root of 135827747 is about 11654.5161632734. The cubic root of 135827747 is about 514.0391131848.

The spelling of 135827747 in words is "one hundred thirty-five million, eight hundred twenty-seven thousand, seven hundred forty-seven".