135265020 has 48 divisors (see below), whose sum is σ = 413175168. Its totient is φ = 32791360.

The previous prime is 135265003. The next prime is 135265051. The reversal of 135265020 is 20562531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101814 + ... + 103133.

It is an arithmetic number, because the mean of its divisors is an integer number (8607816).

Almost surely, 2^135265020 is an apocalyptic number.

135265020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135265020 is an abundant number, since it is smaller than the sum of its proper divisors (277910148).

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

135265020 is a wasteful number, since it uses less digits than its factorization.

135265020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204970 (or 204968 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 135265020 is about 11630.3490919233. The cubic root of 135265020 is about 513.3282518565.

The spelling of 135265020 in words is "one hundred thirty-five million, two hundred sixty-five thousand, twenty".