136645786200 has 384 divisors, whose sum is σ = 528806154240. Its totient is φ = 28357440000.

The previous prime is 136645786181. The next prime is 136645786213. The reversal of 136645786200 is 2687546631.

It is a super-2 number, since 2×136645786200² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136645786200.

It is a congruent 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, 50402845 + ... + 50405555.

It is an arithmetic number, because the mean of its divisors is an integer number (1377099360).

Almost surely, 2^136645786200 is an apocalyptic number.

136645786200 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 136645786200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264403077120).

136645786200 is an abundant number, since it is smaller than the sum of its proper divisors (392160368040).

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

136645786200 is a wasteful number, since it uses less digits than its factorization.

136645786200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839 (or 3830 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 136645786200 in words is "one hundred thirty-six billion, six hundred forty-five million, seven hundred eighty-six thousand, two hundred".