136932820480 has 160 divisors (see below), whose sum is σ = 342239854176. Its totient is φ = 52494925824.

The previous prime is 136932820429. The next prime is 136932820489. The reversal of 136932820480 is 84028239631.

It is a tau number, because it is divible by the number of its divisors (160).

It is a self number, because there is not a number n which added to its sum of digits gives 136932820480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136932820489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6335452 + ... + 6357028.

Almost surely, 2^136932820480 is an apocalyptic number.

136932820480 is a gapful number since it is divisible by the number (10) 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 136932820480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171119927088).

136932820480 is an abundant number, since it is smaller than the sum of its proper divisors (205307033696).

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

136932820480 is an equidigital number, since it uses as much as digits as its factorization.

136932820480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21704 (or 21688 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 136932820480 in words is "one hundred thirty-six billion, nine hundred thirty-two million, eight hundred twenty thousand, four hundred eighty".