135680223468 has 24 divisors (see below), whose sum is σ = 316818819072. Its totient is φ = 45193651024.

The previous prime is 135680223347. The next prime is 135680223487. The reversal of 135680223468 is 864322086531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4119180 + ... + 4151987.

It is an arithmetic number, because the mean of its divisors is an integer number (13200784128).

Almost surely, 2^135680223468 is an apocalyptic number.

It is an amenable number.

135680223468 is an abundant number, since it is smaller than the sum of its proper divisors (181138595604).

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

135680223468 is a wasteful number, since it uses less digits than its factorization.

135680223468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8272541 (or 8272539 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 135680223468 in words is "one hundred thirty-five billion, six hundred eighty million, two hundred twenty-three thousand, four hundred sixty-eight".