135716720 has 20 divisors (see below), whose sum is σ = 315541560. Its totient is φ = 54286656.

The previous prime is 135716699. The next prime is 135716731. The reversal of 135716720 is 27617531.

135716720 is digitally balanced in base 2, 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 (20).

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, 848150 + ... + 848309.

It is an arithmetic number, because the mean of its divisors is an integer number (15777078).

Almost surely, 2^135716720 is an apocalyptic number.

135716720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135716720 is an abundant number, since it is smaller than the sum of its proper divisors (179824840).

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

135716720 is a wasteful number, since it uses less digits than its factorization.

135716720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696472 (or 1696466 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 135716720 is about 11649.7519286893. The cubic root of 135716720 is about 513.8990147159.

The spelling of 135716720 in words is "one hundred thirty-five million, seven hundred sixteen thousand, seven hundred twenty".