135503380 has 12 divisors (see below), whose sum is σ = 284557140. Its totient is φ = 54201344.

The previous prime is 135503369. The next prime is 135503411. The reversal of 135503380 is 83305531.

It can be written as a sum of positive squares in 2 ways, for example, as 29289744 + 106213636 = 5412^2 + 10306^2 .

It is a super-2 number, since 2×135503380² = 36722331982848800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 3387565 + ... + 3387604.

It is an arithmetic number, because the mean of its divisors is an integer number (23713095).

Almost surely, 2^135503380 is an apocalyptic number.

135503380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135503380 is an abundant number, since it is smaller than the sum of its proper divisors (149053760).

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

135503380 is a wasteful number, since it uses less digits than its factorization.

135503380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6775178 (or 6775176 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 135503380 is about 11640.5919093489. The cubic root of 135503380 is about 513.6295988496.

The spelling of 135503380 in words is "one hundred thirty-five million, five hundred three thousand, three hundred eighty".