135234131 has 2 divisors, whose sum is σ = 135234132. Its totient is φ = 135234130.

The previous prime is 135234119. The next prime is 135234157. The reversal of 135234131 is 131432531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135234131 - 2¹⁰ = 135233107 is a prime.

It is a super-2 number, since 2×135234131² = 36576540374650322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135234097 and 135234106.

It is not a weakly prime, because it can be changed into another prime (135234731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67617065 + 67617066.

It is an arithmetic number, because the mean of its divisors is an integer number (67617066).

Almost surely, 2^135234131 is an apocalyptic number.

135234131 is a deficient number, since it is larger than the sum of its proper divisors (1).

135234131 is an equidigital number, since it uses as much as digits as its factorization.

135234131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 23.

The square root of 135234131 is about 11629.0210680005. The cubic root of 135234131 is about 513.2891744870.

Adding to 135234131 its reverse (131432531), we get a palindrome (266666662).

The spelling of 135234131 in words is "one hundred thirty-five million, two hundred thirty-four thousand, one hundred thirty-one".