135165506653 has 4 divisors (see below), whose sum is σ = 135167237568. Its totient is φ = 135163775740.

The previous prime is 135165506629. The next prime is 135165506683. The reversal of 135165506653 is 356605561531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135165506653 - 2¹⁷ = 135165375581 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 (135165506683) 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, 742501 + ... + 906442.

It is an arithmetic number, because the mean of its divisors is an integer number (33791809392).

Almost surely, 2^135165506653 is an apocalyptic number.

It is an amenable number.

135165506653 is a deficient number, since it is larger than the sum of its proper divisors (1730915).

135165506653 is an equidigital number, since it uses as much as digits as its factorization.

135165506653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730914.

The product of its (nonzero) digits is 1215000, while the sum is 46.

The spelling of 135165506653 in words is "one hundred thirty-five billion, one hundred sixty-five million, five hundred six thousand, six hundred fifty-three".