135365680 has 20 divisors (see below), whose sum is σ = 314725392. Its totient is φ = 54146240.

The previous prime is 135365663. The next prime is 135365701. The reversal of 135365680 is 86563531.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845956 + ... + 846115.

Almost surely, 2^135365680 is an apocalyptic number.

135365680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135365680 is an abundant number, since it is smaller than the sum of its proper divisors (179359712).

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

135365680 is a wasteful number, since it uses less digits than its factorization.

135365680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692084 (or 1692078 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 135365680 is about 11634.6757582668. The cubic root of 135365680 is about 513.4555545636.

The spelling of 135365680 in words is "one hundred thirty-five million, three hundred sixty-five thousand, six hundred eighty".