135306340 has 24 divisors (see below), whose sum is σ = 306001080. Its totient is φ = 49959168.

The previous prime is 135306331. The next prime is 135306341. The reversal of 135306340 is 43603531.

It can be written as a sum of positive squares in 4 ways, for example, as 2916 + 135303424 = 54^2 + 11632^2 .

It is not an unprimeable number, because it can be changed into a prime (135306341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259945 + ... + 260464.

It is an arithmetic number, because the mean of its divisors is an integer number (12750045).

Almost surely, 2^135306340 is an apocalyptic number.

135306340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135306340 is an abundant number, since it is smaller than the sum of its proper divisors (170694740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135306340 is a wasteful number, since it uses less digits than its factorization.

135306340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520431 (or 520429 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 135306340 is about 11632.1253432036. The cubic root of 135306340 is about 513.3805160806.

Adding to 135306340 its reverse (43603531), we get a palindrome (178909871).

The spelling of 135306340 in words is "one hundred thirty-five million, three hundred six thousand, three hundred forty".