135582228601720 has 32 divisors (see below), whose sum is σ = 305088791839920. Its totient is φ = 54227775443200.

The previous prime is 135582228601717. The next prime is 135582228601759. The reversal of 135582228601720 is 27106822285531.

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, 159445582 + ... + 160293661.

Almost surely, 2^{135582228601720} is an apocalyptic number.

135582228601720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135582228601720 is an abundant number, since it is smaller than the sum of its proper divisors (169506563238200).

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

135582228601720 is a wasteful number, since it uses less digits than its factorization.

135582228601720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319749855 (or 319749851 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 135582228601720 in words is "one hundred thirty-five trillion, five hundred eighty-two billion, two hundred twenty-eight million, six hundred one thousand, seven hundred twenty".