135978889900 has 72 divisors (see below), whose sum is σ = 337424368736. Its totient is φ = 46594137600.

The previous prime is 135978889867. The next prime is 135978889913. The reversal of 135978889900 is 9988879531.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1162912 + ... + 1274488.

Almost surely, 2^135978889900 is an apocalyptic number.

135978889900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135978889900 is an abundant number, since it is smaller than the sum of its proper divisors (201445478836).

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

135978889900 is a wasteful number, since it uses less digits than its factorization.

135978889900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113339 (or 113332 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 67.

The spelling of 135978889900 in words is "one hundred thirty-five billion, nine hundred seventy-eight million, eight hundred eighty-nine thousand, nine hundred".