135505512053140 has 48 divisors (see below), whose sum is σ = 291199204074240. Its totient is φ = 52938067029120.

The previous prime is 135505512053047. The next prime is 135505512053173. The reversal of 135505512053140 is 41350215505531.

It is a junction number, because it is equal to n+sod(n) for n = 135505512053093 and 135505512053102.

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, 7207870 + ... + 17971210.

It is an arithmetic number, because the mean of its divisors is an integer number (6066650084880).

Almost surely, 2^{135505512053140} is an apocalyptic number.

135505512053140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135505512053140 is an abundant number, since it is smaller than the sum of its proper divisors (155693692021100).

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

135505512053140 is a wasteful number, since it uses less digits than its factorization.

135505512053140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10778032 (or 10778030 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 40.

Adding to 135505512053140 its reverse (41350215505531), we get a palindrome (176855727558671).

The spelling of 135505512053140 in words is "one hundred thirty-five trillion, five hundred five billion, five hundred twelve million, fifty-three thousand, one hundred forty".