135681107404 has 48 divisors (see below), whose sum is σ = 273766802400. Its totient is φ = 58403552256.

The previous prime is 135681107383. The next prime is 135681107417. The reversal of 135681107404 is 404701186531.

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, 1773159 + ... + 1848094.

It is an arithmetic number, because the mean of its divisors is an integer number (5703475050).

Almost surely, 2^135681107404 is an apocalyptic number.

It is an amenable number.

135681107404 is an abundant number, since it is smaller than the sum of its proper divisors (138085694996).

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

135681107404 is a wasteful number, since it uses less digits than its factorization.

135681107404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3621322 (or 3621320 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 135681107404 in words is "one hundred thirty-five billion, six hundred eighty-one million, one hundred seven thousand, four hundred four".