135433520 has 40 divisors (see below), whose sum is σ = 331459440. Its totient is φ = 51321600.

The previous prime is 135433511. The next prime is 135433523. The reversal of 135433520 is 25334531.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 135433520.

It is not an unprimeable number, because it can be changed into a prime (135433523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43031 + ... + 46070.

It is an arithmetic number, because the mean of its divisors is an integer number (8286486).

Almost surely, 2^135433520 is an apocalyptic number.

135433520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135433520 is an abundant number, since it is smaller than the sum of its proper divisors (196025920).

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

135433520 is a wasteful number, since it uses less digits than its factorization.

135433520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89133 (or 89127 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 135433520 is about 11637.5908159722. The cubic root of 135433520 is about 513.5413148723.

The spelling of 135433520 in words is "one hundred thirty-five million, four hundred thirty-three thousand, five hundred twenty".