136945511220 has 96 divisors (see below), whose sum is σ = 448914122496. Its totient is φ = 30538368000.

The previous prime is 136945511189. The next prime is 136945511267. The reversal of 136945511220 is 22115549631.

It is a happy number.

136945511220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3959131 + ... + 3993570.

It is an arithmetic number, because the mean of its divisors is an integer number (4676188776).

Almost surely, 2^136945511220 is an apocalyptic number.

136945511220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136945511220 is an abundant number, since it is smaller than the sum of its proper divisors (311968611276).

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

136945511220 is a wasteful number, since it uses less digits than its factorization.

136945511220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7952761 (or 7952759 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 136945511220 in words is "one hundred thirty-six billion, nine hundred forty-five million, five hundred eleven thousand, two hundred twenty".