135163523053 has 8 divisors (see below), whose sum is σ = 145738025496. Its totient is φ = 124614350400.

The previous prime is 135163523029. The next prime is 135163523063. The reversal of 135163523053 is 350325361531.

It can be written as a sum of positive squares in 4 ways, for example, as 10835352649 + 124328170404 = 104093^2 + 352602^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135163523053 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 (135163523063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6321358 + ... + 6342703.

It is an arithmetic number, because the mean of its divisors is an integer number (18217253187).

Almost surely, 2^135163523053 is an apocalyptic number.

135163523053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135163523053 is a deficient number, since it is larger than the sum of its proper divisors (10574502443).

135163523053 is a wasteful number, since it uses less digits than its factorization.

135163523053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12664895.

The product of its (nonzero) digits is 121500, while the sum is 37.

Adding to 135163523053 its reverse (350325361531), we get a palindrome (485488884584).

The spelling of 135163523053 in words is "one hundred thirty-five billion, one hundred sixty-three million, five hundred twenty-three thousand, fifty-three".