136911840256 has 99 divisors (see below), whose sum is σ = 283563702513. Its totient is φ = 66070056960.

The previous prime is 136911840229. The next prime is 136911840277. The reversal of 136911840256 is 652048119631.

The square root of 136911840256 is 370016.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 74419840000 + 62492000256 = 272800^2 + 249984^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 367055686 + ... + 367056058.

Almost surely, 2^136911840256 is an apocalyptic number.

136911840256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

136911840256 is the 370016-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136911840256

136911840256 is an abundant number, since it is smaller than the sum of its proper divisors (146651862257).

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

136911840256 is an frugal number, since it uses more digits than its factorization.

136911840256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

Adding to 136911840256 its reverse (652048119631), we get a palindrome (788959959887).

The spelling of 136911840256 in words is "one hundred thirty-six billion, nine hundred eleven million, eight hundred forty thousand, two hundred fifty-six".