135206321336053 has 4 divisors (see below), whose sum is σ = 147497805093888. Its totient is φ = 122914837578220.

The previous prime is 135206321336033. The next prime is 135206321336059. The reversal of 135206321336053 is 350633123602531.

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 135206321336053 - 2³³ = 135197731401461 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 (135206321336059) 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, 6145741878901 + ... + 6145741878922.

It is an arithmetic number, because the mean of its divisors is an integer number (36874451273472).

Almost surely, 2^{135206321336053} is an apocalyptic number.

It is an amenable number.

135206321336053 is a deficient number, since it is larger than the sum of its proper divisors (12291483757835).

135206321336053 is a wasteful number, since it uses less digits than its factorization.

135206321336053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12291483757834.

The product of its (nonzero) digits is 874800, while the sum is 43.

Adding to 135206321336053 its reverse (350633123602531), we get a palindrome (485839444938584).

The spelling of 135206321336053 in words is "one hundred thirty-five trillion, two hundred six billion, three hundred twenty-one million, three hundred thirty-six thousand, fifty-three".