135064523153 has 4 divisors (see below), whose sum is σ = 154359455040. Its totient is φ = 115769591268.

The previous prime is 135064523123. The next prime is 135064523177. The reversal of 135064523153 is 351325460531.

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, and also an emirpimes, since its reverse is a distinct semiprime: 351325460531 = 6977 ⋅50354803.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135064523153 is a prime.

It is a super-2 number, since 2×135064523153² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135064523123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9647465933 + ... + 9647465946.

It is an arithmetic number, because the mean of its divisors is an integer number (38589863760).

Almost surely, 2^135064523153 is an apocalyptic number.

It is an amenable number.

135064523153 is a deficient number, since it is larger than the sum of its proper divisors (19294931887).

135064523153 is an equidigital number, since it uses as much as digits as its factorization.

135064523153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19294931886.

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 135064523153 its reverse (351325460531), we get a palindrome (486389983684).

The spelling of 135064523153 in words is "one hundred thirty-five billion, sixty-four million, five hundred twenty-three thousand, one hundred fifty-three".