135331351 has 4 divisors (see below), whose sum is σ = 135550600. Its totient is φ = 135112104.

The previous prime is 135331349. The next prime is 135331369. The reversal of 135331351 is 153133531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153133531 = 137 ⋅1117763.

It is a cyclic number.

It is not a de Polignac number, because 135331351 - 2¹ = 135331349 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 (135331451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108696 + ... + 109933.

It is an arithmetic number, because the mean of its divisors is an integer number (33887650).

Almost surely, 2^135331351 is an apocalyptic number.

135331351 is a deficient number, since it is larger than the sum of its proper divisors (219249).

135331351 is an equidigital number, since it uses as much as digits as its factorization.

135331351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219248.

The product of its digits is 2025, while the sum is 25.

The square root of 135331351 is about 11633.2003765086. The cubic root of 135331351 is about 513.4121464512.

Adding to 135331351 its reverse (153133531), we get a palindrome (288464882).

It can be divided in two parts, 13533 and 1351, that added together give a square (14884 = 122²).

The spelling of 135331351 in words is "one hundred thirty-five million, three hundred thirty-one thousand, three hundred fifty-one".