135200420 has 24 divisors (see below), whose sum is σ = 284936064. Its totient is φ = 53886816.

The previous prime is 135200419. The next prime is 135200431. The reversal of 135200420 is 24002531.

135200420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6284 + ... + 17603.

It is an arithmetic number, because the mean of its divisors is an integer number (11872336).

Almost surely, 2^135200420 is an apocalyptic number.

135200420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135200420 is an abundant number, since it is smaller than the sum of its proper divisors (149735644).

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

135200420 is a wasteful number, since it uses less digits than its factorization.

135200420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24179 (or 24177 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 135200420 is about 11627.5715435339. The cubic root of 135200420 is about 513.2465202418.

Adding to 135200420 its reverse (24002531), we get a palindrome (159202951).

The spelling of 135200420 in words is "one hundred thirty-five million, two hundred thousand, four hundred twenty".