135689725460 has 24 divisors (see below), whose sum is σ = 284957847720. Its totient is φ = 54274095104.

The previous prime is 135689725439. The next prime is 135689725471. The reversal of 135689725460 is 64527986531.

135689725460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 33445825924 + 102243899536 = 182882^2 + 319756^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135689725396 and 135689725405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626156 + ... + 814524.

It is an arithmetic number, because the mean of its divisors is an integer number (11873243655).

It is a 1-persistent number, because it is pandigital, but 2⋅135689725460 = 271379450920 is not.

Almost surely, 2^135689725460 is an apocalyptic number.

135689725460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135689725460 is an abundant number, since it is smaller than the sum of its proper divisors (149268122260).

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

135689725460 is a wasteful number, since it uses less digits than its factorization.

135689725460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224395 (or 224393 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 135689725460 in words is "one hundred thirty-five billion, six hundred eighty-nine million, seven hundred twenty-five thousand, four hundred sixty".