136205442320 has 40 divisors (see below), whose sum is σ = 317136071040. Its totient is φ = 54403309440.

The previous prime is 136205442301. The next prime is 136205442349. The reversal of 136205442320 is 23244502631.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176680 + ... + 1287239.

It is an arithmetic number, because the mean of its divisors is an integer number (7928401776).

Almost surely, 2^136205442320 is an apocalyptic number.

136205442320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136205442320 is an abundant number, since it is smaller than the sum of its proper divisors (180930628720).

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

136205442320 is a wasteful number, since it uses less digits than its factorization.

136205442320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464623 (or 2464617 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 136205442320 its reverse (23244502631), we get a palindrome (159449944951).

The spelling of 136205442320 in words is "one hundred thirty-six billion, two hundred five million, four hundred forty-two thousand, three hundred twenty".