135120502460 has 24 divisors (see below), whose sum is σ = 284020035936. Its totient is φ = 53997347520.

The previous prime is 135120502423. The next prime is 135120502483. The reversal of 135120502460 is 64205021531.

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, 3156551 + ... + 3199070.

It is an arithmetic number, because the mean of its divisors is an integer number (11834168164).

Almost surely, 2^135120502460 is an apocalyptic number.

135120502460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135120502460 is an abundant number, since it is smaller than the sum of its proper divisors (148899533476).

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

135120502460 is a wasteful number, since it uses less digits than its factorization.

135120502460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6356693 (or 6356691 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 135120502460 its reverse (64205021531), we get a palindrome (199325523991).

The spelling of 135120502460 in words is "one hundred thirty-five billion, one hundred twenty million, five hundred two thousand, four hundred sixty".