135523460 has 12 divisors (see below), whose sum is σ = 284599308. Its totient is φ = 54209376.

The previous prime is 135523459. The next prime is 135523463. The reversal of 135523460 is 64325531.

It can be written as a sum of positive squares in 2 ways, for example, as 101324356 + 34199104 = 10066^2 + 5848^2 .

It is not an unprimeable number, because it can be changed into a prime (135523463) 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 in 3 ways as a sum of consecutive naturals, for example, 3388067 + ... + 3388106.

It is an arithmetic number, because the mean of its divisors is an integer number (23716609).

Almost surely, 2^135523460 is an apocalyptic number.

135523460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135523460 is an abundant number, since it is smaller than the sum of its proper divisors (149075848).

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

135523460 is a wasteful number, since it uses less digits than its factorization.

135523460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6776182 (or 6776180 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 135523460 is about 11641.4543764944. The cubic root of 135523460 is about 513.6549688759.

Adding to 135523460 its reverse (64325531), we get a palindrome (199848991).

The spelling of 135523460 in words is "one hundred thirty-five million, five hundred twenty-three thousand, four hundred sixty".