135363220 has 24 divisors (see below), whose sum is σ = 299224800. Its totient is φ = 51295392.

The previous prime is 135363191. The next prime is 135363227. The reversal of 135363220 is 22363531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135363227) 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 7 ways as a sum of consecutive naturals, for example, 177730 + ... + 178489.

It is an arithmetic number, because the mean of its divisors is an integer number (12467700).

Almost surely, 2^135363220 is an apocalyptic number.

135363220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135363220 is an abundant number, since it is smaller than the sum of its proper divisors (163861580).

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

135363220 is a wasteful number, since it uses less digits than its factorization.

135363220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356247 (or 356245 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 135363220 is about 11634.5700393268. The cubic root of 135363220 is about 513.4524442028.

It can be divided in two parts, 1353 and 63220, that multiplied together give a triangular number (85536660 = T₁₃₀₇₉).

The spelling of 135363220 in words is "one hundred thirty-five million, three hundred sixty-three thousand, two hundred twenty".