135336565720 has 64 divisors (see below), whose sum is σ = 307619807040. Its totient is φ = 53581824000.

The previous prime is 135336565687. The next prime is 135336565747. The reversal of 135336565720 is 27565633531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9390520 + ... + 9404920.

It is an arithmetic number, because the mean of its divisors is an integer number (4806559485).

Almost surely, 2^135336565720 is an apocalyptic number.

135336565720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135336565720 is an abundant number, since it is smaller than the sum of its proper divisors (172283241320).

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

135336565720 is a wasteful number, since it uses less digits than its factorization.

135336565720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16796 (or 16792 counting only the distinct ones).

The product of its (nonzero) digits is 1701000, while the sum is 46.

The spelling of 135336565720 in words is "one hundred thirty-five billion, three hundred thirty-six million, five hundred sixty-five thousand, seven hundred twenty".