135234005 has 16 divisors (see below), whose sum is σ = 167079024. Its totient is φ = 105031680.

The previous prime is 135233981. The next prime is 135234007. The reversal of 135234005 is 500432531.

It can be written as a sum of positive squares in 8 ways, for example, as 2845969 + 132388036 = 1687^2 + 11506^2 .

It is a de Polignac number, because none of the positive numbers 2^k-135234005 is a prime.

It is a super-2 number, since 2×135234005² = 36576472216680050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135234007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23075 + ... + 28335.

It is an arithmetic number, because the mean of its divisors is an integer number (10442439).

Almost surely, 2^135234005 is an apocalyptic number.

It is an amenable number.

135234005 is a deficient number, since it is larger than the sum of its proper divisors (31845019).

135234005 is an equidigital number, since it uses as much as digits as its factorization.

135234005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5416.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 135234005 is about 11629.0156505183. The cubic root of 135234005 is about 513.2890150735.

Adding to 135234005 its reverse (500432531), we get a palindrome (635666536).

The spelling of 135234005 in words is "one hundred thirty-five million, two hundred thirty-four thousand, five".