136809023232 has 144 divisors (see below), whose sum is σ = 420169218560. Its totient is φ = 38708637696.

The previous prime is 136809023227. The next prime is 136809023291. The reversal of 136809023232 is 232320908631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430194 + ... + 677262.

Almost surely, 2^136809023232 is an apocalyptic number.

136809023232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136809023232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210084609280).

136809023232 is an abundant number, since it is smaller than the sum of its proper divisors (283360195328).

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

136809023232 is a wasteful number, since it uses less digits than its factorization.

136809023232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247198 (or 247184 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 136809023232 in words is "one hundred thirty-six billion, eight hundred nine million, twenty-three thousand, two hundred thirty-two".