135003720 has 64 divisors (see below), whose sum is σ = 412672320. Its totient is φ = 35320064.

The previous prime is 135003709. The next prime is 135003751. The reversal of 135003720 is 27300531.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4254 + ... + 16973.

It is an arithmetic number, because the mean of its divisors is an integer number (6448005).

Almost surely, 2^135003720 is an apocalyptic number.

135003720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135003720 is an abundant number, since it is smaller than the sum of its proper divisors (277668600).

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

135003720 is a wasteful number, since it uses less digits than its factorization.

135003720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21294 (or 21290 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 135003720 is about 11619.1101208311. The cubic root of 135003720 is about 512.9974958934.

The spelling of 135003720 in words is "one hundred thirty-five million, three thousand, seven hundred twenty".