136171642880 has 672 divisors, whose sum is σ = 434881361376. Its totient is φ = 40428896256.

The previous prime is 136171642861. The next prime is 136171642921. The reversal of 136171642880 is 88246171631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 443555687 + ... + 443555993.

It is an arithmetic number, because the mean of its divisors is an integer number (647144883).

Almost surely, 2^136171642880 is an apocalyptic number.

136171642880 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 136171642880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217440680688).

136171642880 is an abundant number, since it is smaller than the sum of its proper divisors (298709718496).

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

136171642880 is a wasteful number, since it uses less digits than its factorization.

136171642880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 136171642880 in words is "one hundred thirty-six billion, one hundred seventy-one million, six hundred forty-two thousand, eight hundred eighty".