135689133700 has 18 divisors (see below), whose sum is σ = 294445420346. Its totient is φ = 54275653440.

The previous prime is 135689133683. The next prime is 135689133703. The reversal of 135689133700 is 7331986531.

It can be written as a sum of positive squares in 3 ways, for example, as 48773839104 + 86915294596 = 220848^2 + 294814^2 .

It is not an unprimeable number, because it can be changed into a prime (135689133703) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 678445569 + ... + 678445768.

Almost surely, 2^135689133700 is an apocalyptic number.

135689133700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135689133700 is an abundant number, since it is smaller than the sum of its proper divisors (158756286646).

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

135689133700 is a wasteful number, since it uses less digits than its factorization.

135689133700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356891351 (or 1356891344 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 135689133700 in words is "one hundred thirty-five billion, six hundred eighty-nine million, one hundred thirty-three thousand, seven hundred".