135861268460 has 24 divisors (see below), whose sum is σ = 285315676800. Its totient is φ = 54343171584.

The previous prime is 135861268397. The next prime is 135861268481. The reversal of 135861268460 is 64862168531.

It is a junction number, because it is equal to n+sod(n) for n = 135861268399 and 135861268408.

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, 1355141 + ... + 1451939.

It is an arithmetic number, because the mean of its divisors is an integer number (11888153200).

Almost surely, 2^135861268460 is an apocalyptic number.

135861268460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135861268460 is an abundant number, since it is smaller than the sum of its proper divisors (149454408340).

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

135861268460 is a wasteful number, since it uses less digits than its factorization.

135861268460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166985 (or 166983 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 135861268460 in words is "one hundred thirty-five billion, eight hundred sixty-one million, two hundred sixty-eight thousand, four hundred sixty".