135340340 has 12 divisors (see below), whose sum is σ = 284214756. Its totient is φ = 54136128.

The previous prime is 135340333. The next prime is 135340343. The reversal of 135340340 is 43043531.

It can be written as a sum of positive squares in 2 ways, for example, as 63904036 + 71436304 = 7994^2 + 8452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135340343) 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, 3383489 + ... + 3383528.

It is an arithmetic number, because the mean of its divisors is an integer number (23684563).

Almost surely, 2^135340340 is an apocalyptic number.

135340340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135340340 is an abundant number, since it is smaller than the sum of its proper divisors (148874416).

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

135340340 is a wasteful number, since it uses less digits than its factorization.

135340340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6767026 (or 6767024 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 135340340 is about 11633.5867212137. The cubic root of 135340340 is about 513.4235135133.

Adding to 135340340 its reverse (43043531), we get a palindrome (178383871).

The spelling of 135340340 in words is "one hundred thirty-five million, three hundred forty thousand, three hundred forty".