135453220 has 48 divisors (see below), whose sum is σ = 325761408. Its totient is φ = 46344960.

The previous prime is 135453211. The next prime is 135453239. The reversal of 135453220 is 22354531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112944 + ... + 114136.

It is an arithmetic number, because the mean of its divisors is an integer number (6786696).

Almost surely, 2^135453220 is an apocalyptic number.

135453220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135453220 is an abundant number, since it is smaller than the sum of its proper divisors (190308188).

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

135453220 is a wasteful number, since it uses less digits than its factorization.

135453220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020 (or 2018 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 135453220 is about 11638.4371803090. The cubic root of 135453220 is about 513.5662133696.

The spelling of 135453220 in words is "one hundred thirty-five million, four hundred fifty-three thousand, two hundred twenty".