136503090306 has 192 divisors, whose sum is σ = 359917084800. Its totient is φ = 36912153600.

The previous prime is 136503090293. The next prime is 136503090329. The reversal of 136503090306 is 603090305631.

136503090306 is a `hidden beast` number, since 1 + 36 + 503 + 0 + 90 + 30 + 6 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4457760 + ... + 4488276.

It is an arithmetic number, because the mean of its divisors is an integer number (1874568150).

Almost surely, 2^136503090306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136503090306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179958542400).

136503090306 is an abundant number, since it is smaller than the sum of its proper divisors (223413994494).

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

136503090306 is a wasteful number, since it uses less digits than its factorization.

136503090306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30625 (or 30622 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 36.

Adding to 136503090306 its reverse (603090305631), we get a palindrome (739593395937).

The spelling of 136503090306 in words is "one hundred thirty-six billion, five hundred three million, ninety thousand, three hundred six".