135320153 has 4 divisors (see below), whose sum is σ = 143280180. Its totient is φ = 127360128.

The previous prime is 135320123. The next prime is 135320189. The reversal of 135320153 is 351023531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 351023531 = 17 ⋅20648443.

It can be written as a sum of positive squares in 2 ways, for example, as 93161104 + 42159049 = 9652^2 + 6493^2 .

It is a cyclic number.

It is not a de Polignac number, because 135320153 - 2⁶ = 135320089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135320113) 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, 3979988 + ... + 3980021.

It is an arithmetic number, because the mean of its divisors is an integer number (35820045).

Almost surely, 2^135320153 is an apocalyptic number.

It is an amenable number.

135320153 is a deficient number, since it is larger than the sum of its proper divisors (7960027).

135320153 is an equidigital number, since it uses as much as digits as its factorization.

135320153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7960026.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 135320153 is about 11632.7190716530. The cubic root of 135320153 is about 513.3979852886.

Adding to 135320153 its reverse (351023531), we get a palindrome (486343684).

The spelling of 135320153 in words is "one hundred thirty-five million, three hundred twenty thousand, one hundred fifty-three".