135202680140 has 48 divisors (see below), whose sum is σ = 312744257280. Its totient is φ = 48687276480.

The previous prime is 135202680139. The next prime is 135202680181. The reversal of 135202680140 is 41086202531.

It is a junction number, because it is equal to n+sod(n) for n = 135202680097 and 135202680106.

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, 2960630 + ... + 3005949.

It is an arithmetic number, because the mean of its divisors is an integer number (6515505360).

Almost surely, 2^135202680140 is an apocalyptic number.

135202680140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135202680140 is an abundant number, since it is smaller than the sum of its proper divisors (177541577140).

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

135202680140 is a wasteful number, since it uses less digits than its factorization.

135202680140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5966702 (or 5966700 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 135202680140 its reverse (41086202531), we get a palindrome (176288882671).

The spelling of 135202680140 in words is "one hundred thirty-five billion, two hundred two million, six hundred eighty thousand, one hundred forty".