135227121560 has 32 divisors (see below), whose sum is σ = 304606461600. Its totient is φ = 54029437440.

The previous prime is 135227121559. The next prime is 135227121569. The reversal of 135227121560 is 65121722531.

It is a super-3 number, since 3×135227121560³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135227121560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135227121569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1883420 + ... + 1953899.

It is an arithmetic number, because the mean of its divisors is an integer number (9518951925).

Almost surely, 2^135227121560 is an apocalyptic number.

135227121560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135227121560 is an abundant number, since it is smaller than the sum of its proper divisors (169379340040).

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

135227121560 is a wasteful number, since it uses less digits than its factorization.

135227121560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838211 (or 3838207 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 135227121560 in words is "one hundred thirty-five billion, two hundred twenty-seven million, one hundred twenty-one thousand, five hundred sixty".