135297920 has 32 divisors (see below), whose sum is σ = 323448120. Its totient is φ = 54118912.

The previous prime is 135297893. The next prime is 135297931. The reversal of 135297920 is 29792531.

135297920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105062 + ... + 106341.

Almost surely, 2^135297920 is an apocalyptic number.

135297920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135297920 is an abundant number, since it is smaller than the sum of its proper divisors (188150200).

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

135297920 is an equidigital number, since it uses as much as digits as its factorization.

135297920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211422 (or 211410 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 135297920 is about 11631.7634088731. The cubic root of 135297920 is about 513.3698667801.

The spelling of 135297920 in words is "one hundred thirty-five million, two hundred ninety-seven thousand, nine hundred twenty".